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137971170 = 23253374549
BaseRepresentation
bin10000011100101…
…00010111100010
3100121121122212100
420032110113202
5240310034140
621405111230
73263510211
oct1016242742
9317548770
10137971170
1170976867
123a258516
1322779a5c
1414477078
15c1a5530
hex83945e2

137971170 has 48 divisors (see below), whose sum is σ = 359868600. Its totient is φ = 36675072.

The previous prime is 137971159. The next prime is 137971177. The reversal of 137971170 is 71179731.

It can be written as a sum of positive squares in 4 ways, for example, as 110691441 + 27279729 = 10521^2 + 5223^2 .

It is not an unprimeable number, because it can be changed into a prime (137971177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28056 + ... + 32604.

Almost surely, 2137971170 is an apocalyptic number.

137971170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137971170 is an abundant number, since it is smaller than the sum of its proper divisors (221897430).

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

137971170 is a wasteful number, since it uses less digits than its factorization.

137971170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899 (or 4896 counting only the distinct ones).

The product of its (nonzero) digits is 9261, while the sum is 36.

The square root of 137971170 is about 11746.1129740864. The cubic root of 137971170 is about 516.7289364190.

The spelling of 137971170 in words is "one hundred thirty-seven million, nine hundred seventy-one thousand, one hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 337 674 1011 1685 2022 3033 3370 4549 5055 6066 9098 10110 13647 15165 22745 27294 30330 40941 45490 68235 81882 136470 204705 409410 1533013 3066026 4599039 7665065 9198078 13797117 15330130 22995195 27594234 45990390 68985585 137971170