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157304168 = 2373123779
BaseRepresentation
bin10010110000001…
…00010101101000
3101221222212202022
421120010111220
5310232213133
623335324012
73620030510
oct1130042550
9357885668
10157304168
1180880a4a
1244820608
13267886b8
1416c6a840
15dc23998
hex9604568

157304168 has 96 divisors (see below), whose sum is σ = 362246400. Its totient is φ = 62674560.

The previous prime is 157304143. The next prime is 157304183. The reversal of 157304168 is 861403751.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1991153 + ... + 1991231.

It is an arithmetic number, because the mean of its divisors is an integer number (3773400).

Almost surely, 2157304168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157304168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181123200).

157304168 is an abundant number, since it is smaller than the sum of its proper divisors (204942232).

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

157304168 is a wasteful number, since it uses less digits than its factorization.

157304168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 157304168 is about 12542.0958376182. The cubic root of 157304168 is about 539.8172312425.

The spelling of 157304168 in words is "one hundred fifty-seven million, three hundred four thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 31 37 56 62 74 79 124 148 158 217 248 259 296 316 434 518 553 632 868 961 1036 1106 1147 1736 1922 2072 2212 2294 2449 2923 3844 4424 4588 4898 5846 6727 7688 8029 9176 9796 11692 13454 16058 17143 19592 20461 23384 26908 32116 34286 35557 40922 53816 64232 68572 71114 75919 81844 90613 137144 142228 151838 163688 181226 248899 284456 303676 362452 497798 531433 607352 634291 724904 995596 1062866 1268582 1991192 2125732 2537164 2809003 4251464 5074328 5618006 11236012 19663021 22472024 39326042 78652084 157304168