Is 207 a deficient number and what is its deficiency?

Is 207 a deficient number?

Here we will explain and calculate if 207 is a deficient number and its deficiency if applicable.

207 is a deficient number if the sum of its proper divisors is less than 207.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 23 + 69 = 105.

105 is less than 207. Therefore, 207 is a deficient number.

The deficiency of 207 is 207 minus the sum of its proper divisors. Thus, the deficiency of 207 is 207 - 105 = 102

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