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157932429 = 373971237
BaseRepresentation
bin10010110100111…
…01101110001101
3102000011210120020
421122131232031
5310412314204
623401012353
73625255254
oct1132355615
9360153506
10157932429
118116aa76
1244a840b9
1326948655
1416d9179b
15dce9bd9
hex969db8d

157932429 has 8 divisors (see below), whose sum is σ = 210864480. Its totient is φ = 105144336.

The previous prime is 157932419. The next prime is 157932449. The reversal of 157932429 is 924239751.

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

It is not a de Polignac number, because 157932429 - 27 = 157932301 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157932419) 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, 33402 + ... + 37835.

It is an arithmetic number, because the mean of its divisors is an integer number (26358060).

Almost surely, 2157932429 is an apocalyptic number.

It is an amenable number.

157932429 is a deficient number, since it is larger than the sum of its proper divisors (52932051).

157932429 is an equidigital number, since it uses as much as digits as its factorization.

157932429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71979.

The product of its digits is 136080, while the sum is 42.

The square root of 157932429 is about 12567.1169724802. The cubic root of 157932429 is about 540.5349397198.

The spelling of 157932429 in words is "one hundred fifty-seven million, nine hundred thirty-two thousand, four hundred twenty-nine".

Divisors: 1 3 739 2217 71237 213711 52644143 157932429