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157311053 = 2314274793
BaseRepresentation
bin10010110000001…
…10000001001101
3101222000020012022
421120012001031
5310232423203
623335415525
73620056544
oct1130060115
9358006168
10157311053
1180886139
12448245a5
132678b883
1416c6d15b
15dc25a38
hex960604d

157311053 has 8 divisors (see below), whose sum is σ = 164299968. Its totient is φ = 150334624.

The previous prime is 157311043. The next prime is 157311059. The reversal of 157311053 is 350113751.

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

It is not a de Polignac number, because 157311053 - 210 = 157310029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157311059) 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, 30425 + ... + 35217.

It is an arithmetic number, because the mean of its divisors is an integer number (20537496).

Almost surely, 2157311053 is an apocalyptic number.

It is an amenable number.

157311053 is a deficient number, since it is larger than the sum of its proper divisors (6988915).

157311053 is a wasteful number, since it uses less digits than its factorization.

157311053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 157311053 is about 12542.3703102723. The cubic root of 157311053 is about 539.8251068283.

The spelling of 157311053 in words is "one hundred fifty-seven million, three hundred eleven thousand, fifty-three".

Divisors: 1 23 1427 4793 32821 110239 6839611 157311053