We look at the division of 86440472 by 352 
The aim is to understand the frequency of 352 in 86440472.

Advancing to step 1:
The number 352 fits into 8 0 times, leaving a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Grab the next digit (6) from the dividend, add it to 8, then carry on: 86 / 352

On to step 2:
352 can be fit into 86 0 times, resulting in a remainder of 86.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 86, we get 86.
Fetch the next digit (4) from the dividend, attach it to 86 and continue: 864 / 352

Going ahead to step 3:
The number 352 fits into 864 2 times, leaving a remainder of 160.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Subtract 704 from 864 to get 160.
Grab the next digit (4) from the dividend, add it to 160, then carry on: 1604 / 352

Advancing to step 4:
1604 divided by 352 is 4 with a remainder of 196.
The next digit of our result is 4. 
Result so far: 24.0
If we take 1408 away from 1604, we end up with 196.
Take the next digit (0) from the dividend and append it to 196, then repeat: 1960 / 352

Going ahead to step 5:
The number 352 fits into 1960 5 times, leaving a remainder of 200.
Record the quotient 5 as the next digit in the result. 
Result so far: 245.0
The remainder is 200 after subtracting 1760 from 1960.
Bring next digit (4) of the dividend behind the 200 and repeat the process: 2004 / 352

Moving on to step 6:
352 can be fit into 2004 5 times, resulting in a remainder of 244.
The number 5 becomes the next digit in our result. 
Result so far: 2455.0
Deduct 1760 from 2004 and we're left with 244.
Bring next digit (7) of the dividend behind the 244 and repeat the process: 2447 / 352

On to step 7:
The number 352 fits into 2447 6 times, leaving a remainder of 335.
Record the quotient 6 as the next digit in the result. 
Result so far: 24556.0
Deduct 2112 from 2447 and we're left with 335.
Take the next digit (2) from the dividend and append it to 335, then repeat: 3352 / 352

Advancing to step 8:
352 goes into 3352 9 times with a remainder of 184.
Put 9 as the next digit of the answer. 
Result so far: 245569.0
Deduct 3168 from 3352 and we're left with 184.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

Advancing to step 9:
352 goes into 1840 5 times with a remainder of 80.
Write down 5 as next digit of the result. 
Result so far: 245569.5
Subtract 1760 from 1840 to get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

On to step 10:
352 goes into 800 2 times with a remainder of 96.
The number 2 becomes the next digit in our result. 
Result so far: 245569.52
If we subtract 704 from 800, we get 96.
Since there are no more digits in the dividend, we add a zero to the remainder making it 960, and continue the process.

Let's proceed to step 11:
When dividing 960 by 352, we get 2 with a remainder of 256.
Use 2 as the next digit of our solution. 
Result so far: 245569.522
If we subtract 704 from 960, we get 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

The quotient of the division is 245569.522, and the remainder is 0.0256.