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157282268 = 2211131312099
BaseRepresentation
bin10010101111111…
…10111111011100
3101221221202201012
421113332333130
5310231013033
623335034352
73616606613
oct1127767734
9357852635
10157282268
1180866550
124480b9b8
132677b740
1416c6287a
15dc1c248
hex95fefdc

157282268 has 48 divisors (see below), whose sum is σ = 325987200. Its totient is φ = 65457600.

The previous prime is 157282243. The next prime is 157282271. The reversal of 157282268 is 862282751.

It is a congruent number.

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, 73883 + ... + 75981.

It is an arithmetic number, because the mean of its divisors is an integer number (6791400).

Almost surely, 2157282268 is an apocalyptic number.

It is an amenable number.

157282268 is an abundant number, since it is smaller than the sum of its proper divisors (168704932).

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

157282268 is a wasteful number, since it uses less digits than its factorization.

157282268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2256 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 157282268 is about 12541.2227474039. Note that the first 3 decimals coincide. The cubic root of 157282268 is about 539.7921788315.

The spelling of 157282268 in words is "one hundred fifty-seven million, two hundred eighty-two thousand, two hundred sixty-eight".

Divisors: 1 2 4 11 13 22 26 44 52 131 143 262 286 524 572 1441 1703 2099 2882 3406 4198 5764 6812 8396 18733 23089 27287 37466 46178 54574 74932 92356 109148 274969 300157 549938 600314 1099876 1200628 3024659 3574597 6049318 7149194 12098636 14298388 39320567 78641134 157282268