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157338297 = 3219920107
BaseRepresentation
bin10010110000011…
…00101010111001
3101222001121120100
421120030222321
5310234311142
623340150013
73620232144
oct1130145271
9358047510
10157338297
11808a4656
1244838309
132679b0ac
1416c7905b
15dc2db4c
hex960cab9

157338297 has 12 divisors (see below), whose sum is σ = 239228080. Its totient is φ = 99371448.

The previous prime is 157338289. The next prime is 157338301. The reversal of 157338297 is 792833751.

It is a happy number.

It is not a de Polignac number, because 157338297 - 23 = 157338289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157338277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459883 + ... + 460224.

Almost surely, 2157338297 is an apocalyptic number.

It is an amenable number.

157338297 is a deficient number, since it is larger than the sum of its proper divisors (81889783).

157338297 is a wasteful number, since it uses less digits than its factorization.

157338297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920132 (or 920129 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 157338297 is about 12543.4563418541. The cubic root of 157338297 is about 539.8562683307.

The spelling of 157338297 in words is "one hundred fifty-seven million, three hundred thirty-eight thousand, two hundred ninety-seven".

Divisors: 1 3 9 19 57 171 920107 2760321 8280963 17482033 52446099 157338297