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157373055 = 32572149479
BaseRepresentation
bin10010110000101…
…01001001111111
3101222010101020200
421120111021333
5310241414210
623341014543
73620435400
oct1130251177
9358111220
10157373055
1180918784
1244854453
13267b0b68
1416c879a7
15dc390c0
hex961527f

157373055 has 72 divisors (see below), whose sum is σ = 320112000. Its totient is φ = 71309952.

The previous prime is 157373039. The next prime is 157373057. The reversal of 157373055 is 550373751.

It is a happy number.

157373055 is a `hidden beast` number, since 1 + 573 + 7 + 30 + 55 = 666.

It is not a de Polignac number, because 157373055 - 24 = 157373039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157373057) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 328306 + ... + 328784.

It is an arithmetic number, because the mean of its divisors is an integer number (4446000).

Almost surely, 2157373055 is an apocalyptic number.

157373055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157373055 is an abundant number, since it is smaller than the sum of its proper divisors (162738945).

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

157373055 is a wasteful number, since it uses less digits than its factorization.

157373055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 55125, while the sum is 36.

The square root of 157373055 is about 12544.8417686314. The cubic root of 157373055 is about 539.8960190737.

The spelling of 157373055 in words is "one hundred fifty-seven million, three hundred seventy-three thousand, fifty-five".

Divisors: 1 3 5 7 9 15 21 35 45 49 63 105 147 149 245 315 441 447 479 735 745 1043 1341 1437 2205 2235 2395 3129 3353 4311 5215 6705 7185 7301 9387 10059 15645 16765 21555 21903 23471 30177 36505 46935 50295 65709 70413 71371 109515 117355 150885 211239 214113 328545 352065 356855 499597 642339 1056195 1070565 1498791 2497985 3211695 3497179 4496373 7493955 10491537 17485895 22481865 31474611 52457685 157373055