Is 676 a deficient number and what is its deficiency?

Is 676 a deficient number?

Here we will explain and calculate if 676 is a deficient number and its deficiency if applicable.

676 is a deficient number if the sum of its proper divisors is less than 676.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 13 + 26 + 52 + 169 + 338 = 605.

605 is less than 676. Therefore, 676 is a deficient number.

The deficiency of 676 is 676 minus the sum of its proper divisors. Thus, the deficiency of 676 is 676 - 605 = 71

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