Is 190 a deficient number and what is its deficiency?

Is 190 a deficient number?

Here we will explain and calculate if 190 is a deficient number and its deficiency if applicable.

190 is a deficient number if the sum of its proper divisors is less than 190.

The sum of its proper divisors is calculated as follows: 1 + 2 + 5 + 10 + 19 + 38 + 95 = 170.

170 is less than 190. Therefore, 190 is a deficient number.

The deficiency of 190 is 190 minus the sum of its proper divisors. Thus, the deficiency of 190 is 190 - 170 = 20

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