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157307136 = 2837291009
BaseRepresentation
bin10010110000001…
…01000100000000
3101222000000211020
421120011010000
5310232312021
623335345440
73620042250
oct1130050400
9358000736
10157307136
11808831a8
1244822280
1326789b5c
1416c6b960
15dc247c6
hex9605100

157307136 has 144 divisors (see below), whose sum is σ = 495465600. Its totient is φ = 43352064.

The previous prime is 157307123. The next prime is 157307147. The reversal of 157307136 is 631703751.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 157307097 and 157307106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155400 + ... + 156408.

Almost surely, 2157307136 is an apocalyptic number.

157307136 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 157307136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247732800).

157307136 is an abundant number, since it is smaller than the sum of its proper divisors (338158464).

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

157307136 is a wasteful number, since it uses less digits than its factorization.

157307136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 157307136 is about 12542.2141585926. The cubic root of 157307136 is about 539.8206262945.

The spelling of 157307136 in words is "one hundred fifty-seven million, three hundred seven thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 56 58 64 84 87 96 112 116 128 168 174 192 203 224 232 256 336 348 384 406 448 464 609 672 696 768 812 896 928 1009 1218 1344 1392 1624 1792 1856 2018 2436 2688 2784 3027 3248 3712 4036 4872 5376 5568 6054 6496 7063 7424 8072 9744 11136 12108 12992 14126 16144 19488 21189 22272 24216 25984 28252 29261 32288 38976 42378 48432 51968 56504 58522 64576 77952 84756 87783 96864 113008 117044 129152 155904 169512 175566 193728 204827 226016 234088 258304 339024 351132 387456 409654 452032 468176 614481 678048 702264 774912 819308 904064 936352 1228962 1356096 1404528 1638616 1808128 1872704 2457924 2712192 2809056 3277232 3745408 4915848 5424384 5618112 6554464 7490816 9831696 11236224 13108928 19663392 22472448 26217856 39326784 52435712 78653568 157307136