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157948770 = 2357752137
BaseRepresentation
bin10010110101000…
…01101101100010
3102000012121222110
421122201231202
5310413330040
623401220150
73625354020
oct1132415542
9360177873
10157948770
1181181281
1244a91656
1326952c15
1416d97710
15dcee980
hex96a1b62

157948770 has 32 divisors (see below), whose sum is σ = 433231488. Its totient is φ = 36102528.

The previous prime is 157948759. The next prime is 157948783. The reversal of 157948770 is 77849751.

157948770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375859 + ... + 376278.

It is an arithmetic number, because the mean of its divisors is an integer number (13538484).

Almost surely, 2157948770 is an apocalyptic number.

157948770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157948770 is an abundant number, since it is smaller than the sum of its proper divisors (275282718).

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

157948770 is a wasteful number, since it uses less digits than its factorization.

157948770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752154.

The product of its (nonzero) digits is 493920, while the sum is 48.

The square root of 157948770 is about 12567.7671047804. The cubic root of 157948770 is about 540.5535818207.

The spelling of 157948770 in words is "one hundred fifty-seven million, nine hundred forty-eight thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 752137 1504274 2256411 3760685 4512822 5264959 7521370 10529918 11282055 15794877 22564110 26324795 31589754 52649590 78974385 157948770