Is 705 a deficient number and what is its deficiency?

Is 705 a deficient number?

Here we will explain and calculate if 705 is a deficient number and its deficiency if applicable.

705 is a deficient number if the sum of its proper divisors is less than 705.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 15 + 47 + 141 + 235 = 447.

447 is less than 705. Therefore, 705 is a deficient number.

The deficiency of 705 is 705 minus the sum of its proper divisors. Thus, the deficiency of 705 is 705 - 447 = 258

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