Is 2907 a deficient number and what is its deficiency?

Is 2907 a deficient number?

Here we will explain and calculate if 2907 is a deficient number and its deficiency if applicable.

2907 is a deficient number if the sum of its proper divisors is less than 2907.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 17 + 19 + 51 + 57 + 153 + 171 + 323 + 969 = 1773.

1773 is less than 2907. Therefore, 2907 is a deficient number.

The deficiency of 2907 is 2907 minus the sum of its proper divisors. Thus, the deficiency of 2907 is 2907 - 1773 = 1134

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