Is 854 a deficient number and what is its deficiency?

Is 854 a deficient number?

Here we will explain and calculate if 854 is a deficient number and its deficiency if applicable.

854 is a deficient number if the sum of its proper divisors is less than 854.

The sum of its proper divisors is calculated as follows: 1 + 2 + 7 + 14 + 61 + 122 + 427 = 634.

634 is less than 854. Therefore, 854 is a deficient number.

The deficiency of 854 is 854 minus the sum of its proper divisors. Thus, the deficiency of 854 is 854 - 634 = 220

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