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157955856 = 24343103743
BaseRepresentation
bin10010110101000…
…11011100010000
3102000012222200220
421122203130100
5310414041411
623401313040
73625413462
oct1132433420
9360188626
10157955856
1181186633
1244a95780
1326956206
1416d9a132
15dd01b06
hex96a3710

157955856 has 80 divisors (see below), whose sum is σ = 422163456. Its totient is φ = 50859648.

The previous prime is 157955827. The next prime is 157955879. The reversal of 157955856 is 658559751.

It is a happy number.

Its product of digits (1890000) is a multiple of the sum of its prime factors (900).

It is a junction number, because it is equal to n+sod(n) for n = 157955799 and 157955808.

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, 212221 + ... + 212963.

Almost surely, 2157955856 is an apocalyptic number.

157955856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157955856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211081728).

157955856 is an abundant number, since it is smaller than the sum of its proper divisors (264207600).

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

157955856 is a wasteful number, since it uses less digits than its factorization.

157955856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 894 counting only the distinct ones).

The product of its digits is 1890000, while the sum is 51.

The square root of 157955856 is about 12568.0490132717. The cubic root of 157955856 is about 540.5616652548.

The spelling of 157955856 in words is "one hundred fifty-seven million, nine hundred fifty-five thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 43 48 86 103 129 172 206 258 309 344 412 516 618 688 743 824 1032 1236 1486 1648 2064 2229 2472 2972 4429 4458 4944 5944 8858 8916 11888 13287 17716 17832 26574 31949 35432 35664 53148 63898 70864 76529 95847 106296 127796 153058 191694 212592 229587 255592 306116 383388 459174 511184 612232 766776 918348 1224464 1533552 1836696 3290747 3673392 6581494 9872241 13162988 19744482 26325976 39488964 52651952 78977928 157955856