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157934129 is a prime number
BaseRepresentation
bin10010110100111…
…10001000110001
3102000011212220012
421122132020301
5310412343004
623401024305
73625263233
oct1132361061
9360155805
10157934129
1181171281
1244a85095
1326949362
1416d92253
15dcea46e
hex969e231

157934129 has 2 divisors, whose sum is σ = 157934130. Its totient is φ = 157934128.

The previous prime is 157934081. The next prime is 157934171. The reversal of 157934129 is 921439751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89491600 + 68442529 = 9460^2 + 8273^2 .

It is a cyclic number.

It is not a de Polignac number, because 157934129 - 216 = 157868593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157934729) 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 as a sum of consecutive naturals, namely, 78967064 + 78967065.

It is an arithmetic number, because the mean of its divisors is an integer number (78967065).

Almost surely, 2157934129 is an apocalyptic number.

It is an amenable number.

157934129 is a deficient number, since it is larger than the sum of its proper divisors (1).

157934129 is an equidigital number, since it uses as much as digits as its factorization.

157934129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 157934129 is about 12567.1846091318. The cubic root of 157934129 is about 540.5368791697.

The spelling of 157934129 in words is "one hundred fifty-seven million, nine hundred thirty-four thousand, one hundred twenty-nine".