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155314992 = 24371727191
BaseRepresentation
bin10010100000111…
…10101100110000
3101211020211010010
421100132230300
5304230034432
623224534520
73564104250
oct1120365460
9354224103
10155314992
117a7424a8
1244021440
1326240181
14168ad960
15d97e3cc
hex941eb30

155314992 has 80 divisors (see below), whose sum is σ = 485540352. Its totient is φ = 41763840.

The previous prime is 155314933. The next prime is 155315003. The reversal of 155314992 is 299413551.

It is a self number, because there is not a number n which added to its sum of digits gives 155314992.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7884 + ... + 19307.

Almost surely, 2155314992 is an apocalyptic number.

155314992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155314992 is an abundant number, since it is smaller than the sum of its proper divisors (330225360).

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

155314992 is a wasteful number, since it uses less digits than its factorization.

155314992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27226 (or 27220 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 155314992 is about 12462.5435606059. The cubic root of 155314992 is about 537.5321684010.

The spelling of 155314992 in words is "one hundred fifty-five million, three hundred fourteen thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 42 48 51 56 68 84 102 112 119 136 168 204 238 272 336 357 408 476 714 816 952 1428 1904 2856 5712 27191 54382 81573 108764 163146 190337 217528 326292 380674 435056 462247 571011 652584 761348 924494 1142022 1305168 1386741 1522696 1848988 2284044 2773482 3045392 3235729 3697976 4568088 5546964 6471458 7395952 9136176 9707187 11093928 12942916 19414374 22187856 25885832 38828748 51771664 77657496 155314992