Is 417 a deficient number and what is its deficiency?

Is 417 a deficient number?

Here we will explain and calculate if 417 is a deficient number and its deficiency if applicable.

417 is a deficient number if the sum of its proper divisors is less than 417.

The sum of its proper divisors is calculated as follows: 1 + 3 + 139 = 143.

143 is less than 417. Therefore, 417 is a deficient number.

The deficiency of 417 is 417 minus the sum of its proper divisors. Thus, the deficiency of 417 is 417 - 143 = 274

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