Is 117 a deficient number and what is its deficiency?

Is 117 a deficient number?

Here we will explain and calculate if 117 is a deficient number and its deficiency if applicable.

117 is a deficient number if the sum of its proper divisors is less than 117.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 13 + 39 = 65.

65 is less than 117. Therefore, 117 is a deficient number.

The deficiency of 117 is 117 minus the sum of its proper divisors. Thus, the deficiency of 117 is 117 - 65 = 52

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