28248578 ÷ 535 
The aim is to understand the frequency of 535 in 28248578.

Moving on to step 1:
The number 535 fits into 2 0 times, leaving a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Include the next digit (8) from the dividend after 2, then repeat: 28 / 535

Advancing to step 2:
The number 535 fits into 28 0 times, leaving a remainder of 28.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 28, we get 28.
Grab the next digit (2) from the dividend, add it to 28, then carry on: 282 / 535

Advancing to step 3:
282 divided by 535 is 0 with a remainder of 282.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 282, we get 282.
Grab the next digit (4) from the dividend, add it to 282, then carry on: 2824 / 535

On to step 4:
When dividing 2824 by 535, we get 5 with a remainder of 149.
Write down 5 as next digit of the result. 
Result so far: 5.0
If we subtract 2675 from 2824, we get 149.
Include the next digit (8) from the dividend after 149, then repeat: 1498 / 535

On to step 5:
535 goes into 1498 2 times with a remainder of 428.
The next digit of our result is 2. 
Result so far: 52.0
If we take 1070 away from 1498, we end up with 428.
Include the next digit (5) from the dividend after 428, then repeat: 4285 / 535

On to step 6:
The number 535 fits into 4285 8 times, leaving a remainder of 5.
Use 8 as the next digit of our solution. 
Result so far: 528.0
Subtract 4280 from 4285 to get 5.
Include the next digit (7) from the dividend after 5, then repeat: 57 / 535

Advancing to step 7:
535 can be fit into 57 0 times, resulting in a remainder of 57.
The next digit of our result is 0. 
Result so far: 5280.0
Deduct 0 from 57 and we're left with 57.
Take the next digit (8) from the dividend and append it to 57, then repeat: 578 / 535

Step 8:
If we divide 578 by 535, we get 1 and a remainder of 43.
Write down 1 as next digit of the result. 
Result so far: 52801.0
Deduct 535 from 578 and we're left with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Let's proceed to step 9:
430 divided by 535 is 0 with a remainder of 430.
The number 0 becomes the next digit in our result. 
Result so far: 52801.0
Subtracting 0 from 430 leaves us with 430.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4300, and continue the process.

Advancing to step 10:
535 goes into 4300 8 times with a remainder of 20.
The number 8 becomes the next digit in our result. 
Result so far: 52801.08
If we subtract 4280 from 4300, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 11:
535 can be fit into 200 0 times, resulting in a remainder of 200.
The number 0 becomes the next digit in our result. 
Result so far: 52801.08
If we subtract 0 from 200, we get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Advancing to step 12:
The number 535 fits into 2000 3 times, leaving a remainder of 395.
Record the quotient 3 as the next digit in the result. 
Result so far: 52801.0803
Subtracting 1605 from 2000 leaves us with 395.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3950, and continue the process.

Let's proceed to step 13:
If we divide 3950 by 535, we get 7 and a remainder of 205.
Record the quotient 7 as the next digit in the result. 
Result so far: 52801.08037
If we subtract 3745 from 3950, we get 205.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2050, and continue the process.

Advancing to step 14:
When dividing 2050 by 535, we get 3 with a remainder of 445.
Put 3 as the next digit of the answer. 
Result so far: 52801.080373
Deduct 1605 from 2050 and we're left with 445.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4450, and continue the process.

Let's proceed to step 15:
4450 divided by 535 is 8 with a remainder of 170.
Use 8 as the next digit of our solution. 
Result so far: 52801.0803738
If we take 4280 away from 4450, we end up with 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

Step 16:
If we divide 1700 by 535, we get 3 and a remainder of 95.
Put 3 as the next digit of the answer. 
Result so far: 52801.08037383
The remainder is 95 after subtracting 1605 from 1700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

After the division, we end up with 52801.08037383 and a remainder of 9.5e-08.