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157380816 = 2434769761
BaseRepresentation
bin10010110000101…
…11000011010000
3101222010202220010
421120113003100
5310242141231
623341114520
73620500125
oct1130270320
9358122803
10157380816
118092359a
1244858a40
13267b4558
1416c8a74c
15dc3b546
hex96170d0

157380816 has 40 divisors (see below), whose sum is σ = 415223424. Its totient is φ = 51343360.

The previous prime is 157380799. The next prime is 157380823. The reversal of 157380816 is 618083751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32625 + ... + 37136.

Almost surely, 2157380816 is an apocalyptic number.

157380816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157380816 is an abundant number, since it is smaller than the sum of its proper divisors (257842608).

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

157380816 is a wasteful number, since it uses less digits than its factorization.

157380816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69819 (or 69813 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 157380816 is about 12545.1510951443. The cubic root of 157380816 is about 539.9048940875.

The spelling of 157380816 in words is "one hundred fifty-seven million, three hundred eighty thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 47 48 94 141 188 282 376 564 752 1128 2256 69761 139522 209283 279044 418566 558088 837132 1116176 1674264 3278767 3348528 6557534 9836301 13115068 19672602 26230136 39345204 52460272 78690408 157380816