Is 287 a deficient number and what is its deficiency?

Is 287 a deficient number?

Here we will explain and calculate if 287 is a deficient number and its deficiency if applicable.

287 is a deficient number if the sum of its proper divisors is less than 287.

The sum of its proper divisors is calculated as follows: 1 + 7 + 41 = 49.

49 is less than 287. Therefore, 287 is a deficient number.

The deficiency of 287 is 287 minus the sum of its proper divisors. Thus, the deficiency of 287 is 287 - 49 = 238

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