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157024331 = 3113736973
BaseRepresentation
bin10010101110000…
…00000001001011
3101221110122212222
421113000001023
5310144234311
623325324255
73614453612
oct1127000113
9357418788
10157024331
11806aa782
124470668b
13266bb209
1416bd6879
15dbbaadb
hex95c004b

157024331 has 8 divisors (see below), whose sum is σ = 163277184. Its totient is φ = 150845760.

The previous prime is 157024327. The next prime is 157024339. The reversal of 157024331 is 133420751.

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 157024331 - 22 = 157024327 is a prime.

It is a super-2 number, since 2×1570243312 = 49313281051995122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157024331.

It is not an unprimeable number, because it can be changed into a prime (157024339) 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, 14240 + ... + 22733.

It is an arithmetic number, because the mean of its divisors is an integer number (20409648).

Almost surely, 2157024331 is an apocalyptic number.

157024331 is a deficient number, since it is larger than the sum of its proper divisors (6252853).

157024331 is a wasteful number, since it uses less digits than its factorization.

157024331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37141.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 157024331 is about 12530.9349611272. The cubic root of 157024331 is about 539.4969377587.

The spelling of 157024331 in words is "one hundred fifty-seven million, twenty-four thousand, three hundred thirty-one".

Divisors: 1 31 137 4247 36973 1146163 5065301 157024331