Is 1635 a deficient number and what is its deficiency?

Is 1635 a deficient number?

Here we will explain and calculate if 1635 is a deficient number and its deficiency if applicable.

1635 is a deficient number if the sum of its proper divisors is less than 1635.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 15 + 109 + 327 + 545 = 1005.

1005 is less than 1635. Therefore, 1635 is a deficient number.

The deficiency of 1635 is 1635 minus the sum of its proper divisors. Thus, the deficiency of 1635 is 1635 - 1005 = 630

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