Is 1425 a deficient number and what is its deficiency?

Is 1425 a deficient number?

Here we will explain and calculate if 1425 is a deficient number and its deficiency if applicable.

1425 is a deficient number if the sum of its proper divisors is less than 1425.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 15 + 19 + 25 + 57 + 75 + 95 + 285 + 475 = 1055.

1055 is less than 1425. Therefore, 1425 is a deficient number.

The deficiency of 1425 is 1425 minus the sum of its proper divisors. Thus, the deficiency of 1425 is 1425 - 1055 = 370

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