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156491034 = 23723161999
BaseRepresentation
bin10010101001111…
…01110100011010
3101220110120100020
421110331310122
5310030203114
623310051310
73610103040
oct1124756432
9356416306
10156491034
1180376037
12444a9b36
132656255b
1416ad8390
15db12aa9
hex953dd1a

156491034 has 32 divisors (see below), whose sum is σ = 373248000. Its totient is φ = 42767472.

The previous prime is 156491017. The next prime is 156491077. The reversal of 156491034 is 430194651.

It is a junction number, because it is equal to n+sod(n) for n = 156490986 and 156491004.

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, 80034 + ... + 81965.

It is an arithmetic number, because the mean of its divisors is an integer number (11664000).

Almost surely, 2156491034 is an apocalyptic number.

156491034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

156491034 is an abundant number, since it is smaller than the sum of its proper divisors (216756966).

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

156491034 is a wasteful number, since it uses less digits than its factorization.

156491034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162034.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 156491034 is about 12509.6376446322. The cubic root of 156491034 is about 538.8854859569.

The spelling of 156491034 in words is "one hundred fifty-six million, four hundred ninety-one thousand, thirty-four".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 161999 323998 485997 971994 1133993 2267986 3401979 3725977 6803958 7451954 11177931 22355862 26081839 52163678 78245517 156491034