Is 1485 a deficient number and what is its deficiency?

Is 1485 a deficient number?

Here we will explain and calculate if 1485 is a deficient number and its deficiency if applicable.

1485 is a deficient number if the sum of its proper divisors is less than 1485.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 9 + 11 + 15 + 27 + 33 + 45 + 55 + 99 + 135 + 165 + 297 + 495 = 1395.

1395 is less than 1485. Therefore, 1485 is a deficient number.

The deficiency of 1485 is 1485 minus the sum of its proper divisors. Thus, the deficiency of 1485 is 1485 - 1395 = 90

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