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157115269 = 1073674001
BaseRepresentation
bin10010101110101…
…10001110000101
3101221122021122001
421113112032011
5310210142034
623331305301
73615313003
oct1127261605
9357567561
10157115269
1180762033
124474b231
132672071c
1416c1ba73
15dbd7a14
hex95d6385

157115269 has 8 divisors (see below), whose sum is σ = 159055488. Its totient is φ = 155184000.

The previous prime is 157115227. The next prime is 157115293. The reversal of 157115269 is 962511751.

157115269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157115269 - 213 = 157107077 is a prime.

It is a super-2 number, since 2×1571152692 = 49370415505884722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157115869) 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, 37269 + ... + 41269.

It is an arithmetic number, because the mean of its divisors is an integer number (19881936).

Almost surely, 2157115269 is an apocalyptic number.

It is an amenable number.

157115269 is a deficient number, since it is larger than the sum of its proper divisors (1940219).

157115269 is a wasteful number, since it uses less digits than its factorization.

157115269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475.

The product of its digits is 18900, while the sum is 37.

The square root of 157115269 is about 12534.5629760275. The cubic root of 157115269 is about 539.6010645191.

The spelling of 157115269 in words is "one hundred fifty-seven million, one hundred fifteen thousand, two hundred sixty-nine".

Divisors: 1 107 367 4001 39269 428107 1468367 157115269