Is 435 a deficient number and what is its deficiency?

Is 435 a deficient number?

Here we will explain and calculate if 435 is a deficient number and its deficiency if applicable.

435 is a deficient number if the sum of its proper divisors is less than 435.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 15 + 29 + 87 + 145 = 285.

285 is less than 435. Therefore, 435 is a deficient number.

The deficiency of 435 is 435 minus the sum of its proper divisors. Thus, the deficiency of 435 is 435 - 285 = 150

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