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1157238153 = 323131113337
BaseRepresentation
bin100010011111010…
…0000110110001001
32222122112210022100
41010332200312021
54332223110103
6310455344013
740451235111
oct10476406611
92878483270
101157238153
1154425a175
12283682009
131559a1806
14ad99c041
156b8e05a3
hex44fa0d89

1157238153 has 24 divisors (see below), whose sum is σ = 1731165696. Its totient is φ = 744148800.

The previous prime is 1157238113. The next prime is 1157238157. The reversal of 1157238153 is 3518327511.

It is a happy number.

1157238153 is a `hidden beast` number, since 1 + 1 + 572 + 3 + 81 + 5 + 3 = 666.

It is not a de Polignac number, because 1157238153 - 210 = 1157237129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157238157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80101 + ... + 93437.

It is an arithmetic number, because the mean of its divisors is an integer number (72131904).

Almost surely, 21157238153 is an apocalyptic number.

It is an amenable number.

1157238153 is a deficient number, since it is larger than the sum of its proper divisors (573927543).

1157238153 is a wasteful number, since it uses less digits than its factorization.

1157238153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13685 (or 13682 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 1157238153 is about 34018.2032594316. The cubic root of 1157238153 is about 1049.8830264250.

The spelling of 1157238153 in words is "one billion, one hundred fifty-seven million, two hundred thirty-eight thousand, one hundred fifty-three".

Divisors: 1 3 9 31 93 279 311 933 2799 9641 13337 28923 40011 86769 120033 413447 1240341 3721023 4147807 12443421 37330263 128582017 385746051 1157238153