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138573876 = 22371649689
BaseRepresentation
bin10000100001001…
…11100000110100
3100122202021121210
420100213200310
5240433331001
621430041420
73301600320
oct1020474064
9318667553
10138573876
1171248671
123a4a9270
132292b19c
1414592980
15c273dd6
hex8427834

138573876 has 24 divisors (see below), whose sum is σ = 369530560. Its totient is φ = 39592512.

The previous prime is 138573863. The next prime is 138573899. The reversal of 138573876 is 678375831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824761 + ... + 824928.

Almost surely, 2138573876 is an apocalyptic number.

It is an amenable number.

138573876 is an abundant number, since it is smaller than the sum of its proper divisors (230956684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138573876 is a wasteful number, since it uses less digits than its factorization.

138573876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649703 (or 1649701 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 138573876 is about 11771.7405679874. The cubic root of 138573876 is about 517.4802606301.

The spelling of 138573876 in words is "one hundred thirty-eight million, five hundred seventy-three thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1649689 3299378 4949067 6598756 9898134 11547823 19796268 23095646 34643469 46191292 69286938 138573876