Is 284 a deficient number and what is its deficiency?

Is 284 a deficient number?

Here we will explain and calculate if 284 is a deficient number and its deficiency if applicable.

284 is a deficient number if the sum of its proper divisors is less than 284.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 71 + 142 = 220.

220 is less than 284. Therefore, 284 is a deficient number.

The deficiency of 284 is 284 minus the sum of its proper divisors. Thus, the deficiency of 284 is 284 - 220 = 64

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