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157415834 = 237257493
BaseRepresentation
bin10010110000111…
…11100110011010
3101222012112221002
421120133212122
5310244301314
623341545002
73621004202
oct1130374632
9358175832
10157415834
1180947934
1244875162
13267c7484
1416c99402
15dc46ade
hex961f99a

157415834 has 12 divisors (see below), whose sum is σ = 242682174. Its totient is φ = 76579344.

The previous prime is 157415821. The next prime is 157415837. The reversal of 157415834 is 438514751.

It can be written as a sum of positive squares in 3 ways, for example, as 157377025 + 38809 = 12545^2 + 197^2 .

It is not an unprimeable number, because it can be changed into a prime (157415837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26009 + ... + 31484.

Almost surely, 2157415834 is an apocalyptic number.

157415834 is a deficient number, since it is larger than the sum of its proper divisors (85266340).

157415834 is an equidigital number, since it uses as much as digits as its factorization.

157415834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57569 (or 57532 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 157415834 is about 12546.5466962029. The cubic root of 157415834 is about 539.9449349429.

The spelling of 157415834 in words is "one hundred fifty-seven million, four hundred fifteen thousand, eight hundred thirty-four".

Divisors: 1 2 37 74 1369 2738 57493 114986 2127241 4254482 78707917 157415834