Is 860 a deficient number and what is its deficiency?

Is 860 a deficient number?

Here we will explain and calculate if 860 is a deficient number and its deficiency if applicable.

860 is a deficient number if the sum of its proper divisors is less than 860.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 5 + 10 + 20 + 43 + 86 + 172 + 215 + 430 = 988.

988 is not less than 860. Therefore, 860 is not a deficient number.

The deficiency of 860 is 860 minus the sum of its proper divisors. Thus, the deficiency of 860 is 860 - 988 = No Deficiency

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