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137976894 = 23211696853
BaseRepresentation
bin10000011100101…
…01110000111110
3100121121221201100
420032111300332
5240310230034
621405153530
73263532666
oct1016256076
9317557640
10137976894
11709800a0
123a25b8a6
132277c543
14144791a6
15c1a7099
hex8395c3e

137976894 has 24 divisors (see below), whose sum is σ = 326127672. Its totient is φ = 41811120.

The previous prime is 137976863. The next prime is 137976907. The reversal of 137976894 is 498679731.

It is a happy number.

137976894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 137976894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348229 + ... + 348624.

It is an arithmetic number, because the mean of its divisors is an integer number (13588653).

Almost surely, 2137976894 is an apocalyptic number.

137976894 is an abundant number, since it is smaller than the sum of its proper divisors (188150778).

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

137976894 is a wasteful number, since it uses less digits than its factorization.

137976894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696872 (or 696869 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 137976894 is about 11746.3566266311. The cubic root of 137976894 is about 516.7360821522.

The spelling of 137976894 in words is "one hundred thirty-seven million, nine hundred seventy-six thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 696853 1393706 2090559 4181118 6271677 7665383 12543354 15330766 22996149 45992298 68988447 137976894