25359048 divided by 509 
The aim is to understand the frequency of 509 in 25359048.

Moving on to step 1:
If we divide 2 by 509, we get 0 and a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Grab the next digit (5) from the dividend, add it to 2, then carry on: 25 / 509

Advancing to step 2:
The number 509 fits into 25 0 times, leaving a remainder of 25.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 25 after subtracting 0 from 25.
Fetch the next digit (3) from the dividend, attach it to 25 and continue: 253 / 509

Going ahead to step 3:
253 divided by 509 is 0 with a remainder of 253.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 253 leaves us with 253.
Fetch the next digit (5) from the dividend, attach it to 253 and continue: 2535 / 509

On to step 4:
509 goes into 2535 4 times with a remainder of 499.
Put 4 as the next digit of the answer. 
Result so far: 4.0
If we take 2036 away from 2535, we end up with 499.
Grab the next digit (9) from the dividend, add it to 499, then carry on: 4999 / 509

Advancing to step 5:
When dividing 4999 by 509, we get 9 with a remainder of 418.
Write down 9 as next digit of the result. 
Result so far: 49.0
Deduct 4581 from 4999 and we're left with 418.
Take the next digit (0) from the dividend and append it to 418, then repeat: 4180 / 509

Let's proceed to step 6:
The number 509 fits into 4180 8 times, leaving a remainder of 108.
Put 8 as the next digit of the answer. 
Result so far: 498.0
Deduct 4072 from 4180 and we're left with 108.
Take the next digit (4) from the dividend and append it to 108, then repeat: 1084 / 509

On to step 7:
509 can be fit into 1084 2 times, resulting in a remainder of 66.
Write down 2 as next digit of the result. 
Result so far: 4982.0
Subtract 1018 from 1084 to get 66.
Bring next digit (8) of the dividend behind the 66 and repeat the process: 668 / 509

Going ahead to step 8:
When dividing 668 by 509, we get 1 with a remainder of 159.
Write down 1 as next digit of the result. 
Result so far: 49821.0
The remainder is 159 after subtracting 509 from 668.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1590, and continue the process.

Step 9:
If we divide 1590 by 509, we get 3 and a remainder of 63.
The number 3 becomes the next digit in our result. 
Result so far: 49821.3
If we take 1527 away from 1590, we end up with 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Moving on to step 10:
509 can be fit into 630 1 times, resulting in a remainder of 121.
Use 1 as the next digit of our solution. 
Result so far: 49821.31
If we take 509 away from 630, we end up with 121.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1210, and continue the process.

Going ahead to step 11:
When dividing 1210 by 509, we get 2 with a remainder of 192.
The next digit of our result is 2. 
Result so far: 49821.312
The remainder is 192 after subtracting 1018 from 1210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1920, and continue the process.

Advancing to step 12:
509 can be fit into 1920 3 times, resulting in a remainder of 393.
The next digit of our result is 3. 
Result so far: 49821.3123
Subtracting 1527 from 1920 leaves us with 393.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3930, and continue the process.

Going ahead to step 13:
3930 divided by 509 is 7 with a remainder of 367.
Record the quotient 7 as the next digit in the result. 
Result so far: 49821.31237
The remainder is 367 after subtracting 3563 from 3930.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3670, and continue the process.

Moving on to step 14:
If we divide 3670 by 509, we get 7 and a remainder of 107.
Put 7 as the next digit of the answer. 
Result so far: 49821.312377
If we take 3563 away from 3670, we end up with 107.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1070, and continue the process.

In conclusion, the division gives 49821.312377 with a balance of 1.07e-05.