We're dividing 644609 by 32 
The aim is to understand the frequency of 32 in 644609.

Let's proceed to step 1:
The number 32 fits into 6 0 times, leaving a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Bring next digit (4) of the dividend behind the 6 and repeat the process: 64 / 32

Going ahead to step 2:
64 divided by 32 is 2 with a remainder of 0.
Write down 2 as next digit of the result. 
Result so far: 2.0
Deduct 64 from 64 and we're left with 0.
Append the next digit (4) from the dividend to 0 and continue with: 4 / 32

Moving on to step 3:
32 can be fit into 4 0 times, resulting in a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 20.0
If we take 0 away from 4, we end up with 4.
Fetch the next digit (6) from the dividend, attach it to 4 and continue: 46 / 32

On to step 4:
32 can be fit into 46 1 times, resulting in a remainder of 14.
The number 1 becomes the next digit in our result. 
Result so far: 201.0
Deduct 32 from 46 and we're left with 14.
Bring next digit (0) of the dividend behind the 14 and repeat the process: 140 / 32

Going ahead to step 5:
The number 32 fits into 140 4 times, leaving a remainder of 12.
Put 4 as the next digit of the answer. 
Result so far: 2014.0
Deduct 128 from 140 and we're left with 12.
Take the next digit (9) from the dividend and append it to 12, then repeat: 129 / 32

Step 6:
129 divided by 32 is 4 with a remainder of 1.
The number 4 becomes the next digit in our result. 
Result so far: 20144.0
Deduct 128 from 129 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 7:
If we divide 10 by 32, we get 0 and a remainder of 10.
Put 0 as the next digit of the answer. 
Result so far: 20144.0
Subtract 0 from 10 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 8:
If we divide 100 by 32, we get 3 and a remainder of 4.
Put 3 as the next digit of the answer. 
Result so far: 20144.03
The remainder is 4 after subtracting 96 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 9:
When dividing 40 by 32, we get 1 with a remainder of 8.
Use 1 as the next digit of our solution. 
Result so far: 20144.031
Subtracting 32 from 40 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Moving on to step 10:
If we divide 80 by 32, we get 2 and a remainder of 16.
Write down 2 as next digit of the result. 
Result so far: 20144.0312
If we take 64 away from 80, we end up with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 11:
160 divided by 32 is 5 with a remainder of 0.
The next digit of our result is 5. 
Result so far: 20144.03125
Deduct 160 from 160 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 12:
32 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 20144.03125
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 13:
0 divided by 32 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 20144.03125
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 20144.03125 and a remainder of 0.0.