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157842708 = 22329453571
BaseRepresentation
bin10010110100001…
…11110100010100
3102000000020111020
421122013310110
5310401431313
623355041140
73624432552
oct1132076424
9360006436
10157842708
1181109621
1244a401b0
132691686a
1416d6abd2
15dccd323
hex9687d14

157842708 has 24 divisors (see below), whose sum is σ = 381000480. Its totient is φ = 50799840.

The previous prime is 157842697. The next prime is 157842733. The reversal of 157842708 is 807248751.

It is a self number, because there is not a number n which added to its sum of digits gives 157842708.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 226438 + ... + 227133.

It is an arithmetic number, because the mean of its divisors is an integer number (15875020).

Almost surely, 2157842708 is an apocalyptic number.

It is an amenable number.

157842708 is an abundant number, since it is smaller than the sum of its proper divisors (223157772).

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

157842708 is a wasteful number, since it uses less digits than its factorization.

157842708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453607 (or 453605 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 157842708 is about 12563.5467922080. The cubic root of 157842708 is about 540.4325615018.

The spelling of 157842708 in words is "one hundred fifty-seven million, eight hundred forty-two thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 453571 907142 1360713 1814284 2721426 5442852 13153559 26307118 39460677 52614236 78921354 157842708