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137874960 = 2434521277
BaseRepresentation
bin10000011011111…
…00111000010000
3100121102202220000
420031330320100
5240243444320
621403050000
73262626546
oct1015747020
9317382800
10137874960
1170910553
123a210900
1322745022
141444dd96
15c186c90
hex837ce10

137874960 has 100 divisors (see below), whose sum is σ = 478882668. Its totient is φ = 36764928.

The previous prime is 137874953. The next prime is 137874977. The reversal of 137874960 is 69478731.

It can be written as a sum of positive squares in 2 ways, for example, as 24324624 + 113550336 = 4932^2 + 10656^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4159 + ... + 17118.

Almost surely, 2137874960 is an apocalyptic number.

137874960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137874960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239441334).

137874960 is an abundant number, since it is smaller than the sum of its proper divisors (341007708).

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

137874960 is a wasteful number, since it uses less digits than its factorization.

137874960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21302 (or 21287 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 137874960 is about 11742.0168625326. The cubic root of 137874960 is about 516.6088000864.

The spelling of 137874960 in words is "one hundred thirty-seven million, eight hundred seventy-four thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 270 324 360 405 432 540 648 720 810 1080 1296 1620 2160 3240 6480 21277 42554 63831 85108 106385 127662 170216 191493 212770 255324 319155 340432 382986 425540 510648 574479 638310 765972 851080 957465 1021296 1148958 1276620 1531944 1702160 1723437 1914930 2297916 2553240 2872395 3063888 3446874 3829860 4595832 5106480 5744790 6893748 7659720 8617185 9191664 11489580 13787496 15319440 17234370 22979160 27574992 34468740 45958320 68937480 137874960