Is 355 a deficient number and what is its deficiency?

Is 355 a deficient number?

Here we will explain and calculate if 355 is a deficient number and its deficiency if applicable.

355 is a deficient number if the sum of its proper divisors is less than 355.

The sum of its proper divisors is calculated as follows: 1 + 5 + 71 = 77.

77 is less than 355. Therefore, 355 is a deficient number.

The deficiency of 355 is 355 minus the sum of its proper divisors. Thus, the deficiency of 355 is 355 - 77 = 278

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