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157115072 = 2619112853
BaseRepresentation
bin10010101110101…
…10001011000000
3101221122021100202
421113112023000
5310210140242
623331304332
73615312302
oct1127261300
9357567322
10157115072
1180761974
124474b0a8
13267205ca
1416c1b972
15dbd7932
hex95d62c0

157115072 has 28 divisors (see below), whose sum is σ = 313431936. Its totient is φ = 78140160.

The previous prime is 157115051. The next prime is 157115111. The reversal of 157115072 is 270511751.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5798 + ... + 18650.

Almost surely, 2157115072 is an apocalyptic number.

It is an amenable number.

157115072 is a deficient number, since it is larger than the sum of its proper divisors (156316864).

157115072 is a wasteful number, since it uses less digits than its factorization.

157115072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13056 (or 13046 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 29.

The square root of 157115072 is about 12534.5551177535. Note that the first 3 decimals coincide. The cubic root of 157115072 is about 539.6008389915.

The spelling of 157115072 in words is "one hundred fifty-seven million, one hundred fifteen thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 191 382 764 1528 3056 6112 12224 12853 25706 51412 102824 205648 411296 822592 2454923 4909846 9819692 19639384 39278768 78557536 157115072