Is 2158 a deficient number and what is its deficiency?

Is 2158 a deficient number?

Here we will explain and calculate if 2158 is a deficient number and its deficiency if applicable.

2158 is a deficient number if the sum of its proper divisors is less than 2158.

The sum of its proper divisors is calculated as follows: 1 + 2 + 13 + 26 + 83 + 166 + 1079 = 1370.

1370 is less than 2158. Therefore, 2158 is a deficient number.

The deficiency of 2158 is 2158 minus the sum of its proper divisors. Thus, the deficiency of 2158 is 2158 - 1370 = 788

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