Is 830 a deficient number and what is its deficiency?

Is 830 a deficient number?

Here we will explain and calculate if 830 is a deficient number and its deficiency if applicable.

830 is a deficient number if the sum of its proper divisors is less than 830.

The sum of its proper divisors is calculated as follows: 1 + 2 + 5 + 10 + 83 + 166 + 415 = 682.

682 is less than 830. Therefore, 830 is a deficient number.

The deficiency of 830 is 830 minus the sum of its proper divisors. Thus, the deficiency of 830 is 830 - 682 = 148

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