Is 4239 a deficient number and what is its deficiency?

Is 4239 a deficient number?

Here we will explain and calculate if 4239 is a deficient number and its deficiency if applicable.

4239 is a deficient number if the sum of its proper divisors is less than 4239.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 27 + 157 + 471 + 1413 = 2081.

2081 is less than 4239. Therefore, 4239 is a deficient number.

The deficiency of 4239 is 4239 minus the sum of its proper divisors. Thus, the deficiency of 4239 is 4239 - 2081 = 2158

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