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157814838 = 2332922497
BaseRepresentation
bin10010110100000…
…01000000110110
3101222221211021000
421122001000312
5310400033323
623354304130
73624255366
oct1132010066
9358854230
10157814838
118109a695
1244a28046
1326906c7c
1416d609a6
15dcc4e43
hex9681036

157814838 has 16 divisors (see below), whose sum is σ = 350699760. Its totient is φ = 52604928.

The previous prime is 157814827. The next prime is 157814851. The reversal of 157814838 is 838418751.

It is a happy number.

157814838 is a `hidden beast` number, since 1 + 578 + 1 + 48 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 157814793 and 157814802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461195 + ... + 1461302.

It is an arithmetic number, because the mean of its divisors is an integer number (21918735).

Almost surely, 2157814838 is an apocalyptic number.

157814838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157814838 is an abundant number, since it is smaller than the sum of its proper divisors (192884922).

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

157814838 is a wasteful number, since it uses less digits than its factorization.

157814838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922508 (or 2922502 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 157814838 is about 12562.4375819345. The cubic root of 157814838 is about 540.4007518979.

The spelling of 157814838 in words is "one hundred fifty-seven million, eight hundred fourteen thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 2922497 5844994 8767491 17534982 26302473 52604946 78907419 157814838