Is 1128 a deficient number and what is its deficiency?

Is 1128 a deficient number?

Here we will explain and calculate if 1128 is a deficient number and its deficiency if applicable.

1128 is a deficient number if the sum of its proper divisors is less than 1128.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 4 + 6 + 8 + 12 + 24 + 47 + 94 + 141 + 188 + 282 + 376 + 564 = 1752.

1752 is not less than 1128. Therefore, 1128 is not a deficient number.

The deficiency of 1128 is 1128 minus the sum of its proper divisors. Thus, the deficiency of 1128 is 1128 - 1752 = No Deficiency

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