Is 917 a deficient number and what is its deficiency?

Is 917 a deficient number?

Here we will explain and calculate if 917 is a deficient number and its deficiency if applicable.

917 is a deficient number if the sum of its proper divisors is less than 917.

The sum of its proper divisors is calculated as follows: 1 + 7 + 131 = 139.

139 is less than 917. Therefore, 917 is a deficient number.

The deficiency of 917 is 917 minus the sum of its proper divisors. Thus, the deficiency of 917 is 917 - 139 = 778

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