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157958472 = 2337940229
BaseRepresentation
bin10010110101001…
…00000101001000
3102000020010021210
421122210011020
5310414132342
623401333120
73625424220
oct1132440510
9360203253
10157958472
11811885a1
1244a971a0
1326957469
1416d9b080
15dd0279c
hex96a4148

157958472 has 32 divisors (see below), whose sum is σ = 451310400. Its totient is φ = 45130944.

The previous prime is 157958443. The next prime is 157958473. The reversal of 157958472 is 274859751.

It is not an unprimeable number, because it can be changed into a prime (157958473) 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, 469947 + ... + 470282.

It is an arithmetic number, because the mean of its divisors is an integer number (14103450).

Almost surely, 2157958472 is an apocalyptic number.

157958472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157958472 is an abundant number, since it is smaller than the sum of its proper divisors (293351928).

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

157958472 is a wasteful number, since it uses less digits than its factorization.

157958472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940245 (or 940241 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The square root of 157958472 is about 12568.1530862733. The cubic root of 157958472 is about 540.5646494251.

The spelling of 157958472 in words is "one hundred fifty-seven million, nine hundred fifty-eight thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 940229 1880458 2820687 3760916 5641374 6581603 7521832 11282748 13163206 19744809 22565496 26326412 39489618 52652824 78979236 157958472