Is 418 a deficient number and what is its deficiency?

Is 418 a deficient number?

Here we will explain and calculate if 418 is a deficient number and its deficiency if applicable.

418 is a deficient number if the sum of its proper divisors is less than 418.

The sum of its proper divisors is calculated as follows: 1 + 2 + 11 + 19 + 22 + 38 + 209 = 302.

302 is less than 418. Therefore, 418 is a deficient number.

The deficiency of 418 is 418 minus the sum of its proper divisors. Thus, the deficiency of 418 is 418 - 302 = 116

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