Is 402 a deficient number and what is its deficiency?

Is 402 a deficient number?

Here we will explain and calculate if 402 is a deficient number and its deficiency if applicable.

402 is a deficient number if the sum of its proper divisors is less than 402.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 6 + 67 + 134 + 201 = 414.

414 is not less than 402. Therefore, 402 is not a deficient number.

The deficiency of 402 is 402 minus the sum of its proper divisors. Thus, the deficiency of 402 is 402 - 414 = No Deficiency

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