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157472406 = 23271396137
BaseRepresentation
bin10010110001011…
…01011010010110
3101222022102112100
421120231122112
5310303104111
623343102530
73621331140
oct1130553226
9358272470
10157472406
1180986393
12448a1a46
1326817150
1416cb1c90
15dc58756
hex962d696

157472406 has 48 divisors (see below), whose sum is σ = 419930784. Its totient is φ = 41530752.

The previous prime is 157472401. The next prime is 157472443. The reversal of 157472406 is 604274751.

157472406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157472401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46431 + ... + 49706.

It is an arithmetic number, because the mean of its divisors is an integer number (8748558).

Almost surely, 2157472406 is an apocalyptic number.

157472406 is an abundant number, since it is smaller than the sum of its proper divisors (262458378).

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

157472406 is a wasteful number, since it uses less digits than its factorization.

157472406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96165 (or 96162 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 157472406 is about 12548.8009785796. The cubic root of 157472406 is about 540.0096088825.

The spelling of 157472406 in words is "one hundred fifty-seven million, four hundred seventy-two thousand, four hundred six".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 234 273 546 819 1638 96137 192274 288411 576822 672959 865233 1249781 1345918 1730466 2018877 2499562 3749343 4037754 6056631 7498686 8748467 11248029 12113262 17496934 22496058 26245401 52490802 78736203 157472406