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157239162 = 2328735509
BaseRepresentation
bin10010101111101…
…00011101111010
3101221212120120200
421113310131322
5310223123122
623334103030
73616340133
oct1127643572
9357776520
10157239162
1180837123
12447aaa76
1326764c32
1416c50c8a
15dc0e5ac
hex95f477a

157239162 has 12 divisors (see below), whose sum is σ = 340684890. Its totient is φ = 52413048.

The previous prime is 157239157. The next prime is 157239191. The reversal of 157239162 is 261932751.

It can be written as a sum of positive squares in only one way, i.e., 139925241 + 17313921 = 11829^2 + 4161^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4367737 + ... + 4367772.

Almost surely, 2157239162 is an apocalyptic number.

157239162 is an abundant number, since it is smaller than the sum of its proper divisors (183445728).

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

157239162 is a wasteful number, since it uses less digits than its factorization.

157239162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735517 (or 8735514 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 157239162 is about 12539.5040571787. The cubic root of 157239162 is about 539.7428611133.

The spelling of 157239162 in words is "one hundred fifty-seven million, two hundred thirty-nine thousand, one hundred sixty-two".

Divisors: 1 2 3 6 9 18 8735509 17471018 26206527 52413054 78619581 157239162