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157010052 = 22323568877
BaseRepresentation
bin10010101101111…
…00100010000100
3101221102221022010
421112330202010
5310143310202
623325134220
73614364153
oct1126744204
9357387263
10157010052
118069aa81
12446ba370
13266b4874
1416bd159a
15dbb676c
hex95bc884

157010052 has 24 divisors (see below), whose sum is σ = 382286016. Its totient is φ = 50061088.

The previous prime is 157010047. The next prime is 157010057. The reversal of 157010052 is 250010751.

It is an interprime number because it is at equal distance from previous prime (157010047) and next prime (157010057).

It is not an unprimeable number, because it can be changed into a prime (157010057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284163 + ... + 284714.

It is an arithmetic number, because the mean of its divisors is an integer number (15928584).

Almost surely, 2157010052 is an apocalyptic number.

157010052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157010052 is an abundant number, since it is smaller than the sum of its proper divisors (225275964).

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

157010052 is a wasteful number, since it uses less digits than its factorization.

157010052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568907 (or 568905 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 157010052 is about 12530.3651981896. The cubic root of 157010052 is about 539.4805842203.

The spelling of 157010052 in words is "one hundred fifty-seven million, ten thousand, fifty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 568877 1137754 1706631 2275508 3413262 6826524 13084171 26168342 39252513 52336684 78505026 157010052