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157352117 = 13711511129
BaseRepresentation
bin10010110000100…
…00000010110101
3101222002022112012
421120100002311
5310240231432
623340334005
73620320346
oct1130200265
9358068465
10157352117
1180903a7a
1244844305
13267a4480
1416c800cd
15dc32cb2
hex96100b5

157352117 has 16 divisors (see below), whose sum is σ = 173134080. Its totient is φ = 142128000.

The previous prime is 157352101. The next prime is 157352159. The reversal of 157352117 is 711253751.

It is a cyclic number.

It is not a de Polignac number, because 157352117 - 24 = 157352101 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157352197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138809 + ... + 139937.

It is an arithmetic number, because the mean of its divisors is an integer number (10820880).

Almost surely, 2157352117 is an apocalyptic number.

It is an amenable number.

157352117 is a deficient number, since it is larger than the sum of its proper divisors (15781963).

157352117 is a wasteful number, since it uses less digits than its factorization.

157352117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364.

The product of its digits is 7350, while the sum is 32.

The square root of 157352117 is about 12544.0072146025. The cubic root of 157352117 is about 539.8720741778.

The spelling of 157352117 in words is "one hundred fifty-seven million, three hundred fifty-two thousand, one hundred seventeen".

Divisors: 1 13 71 151 923 1129 1963 10721 14677 80159 139373 170479 1042067 2216227 12104009 157352117