Is 712 a deficient number and what is its deficiency?

Is 712 a deficient number?

Here we will explain and calculate if 712 is a deficient number and its deficiency if applicable.

712 is a deficient number if the sum of its proper divisors is less than 712.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 8 + 89 + 178 + 356 = 638.

638 is less than 712. Therefore, 712 is a deficient number.

The deficiency of 712 is 712 minus the sum of its proper divisors. Thus, the deficiency of 712 is 712 - 638 = 74

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