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104157138 = 2341423403
BaseRepresentation
bin1100011010101…
…00111111010010
321020222201201210
412031110333102
5203131012023
614200240550
72403215061
oct615247722
9236881653
10104157138
1153880888
122aa70156
131876aa57
14db941d8
159226593
hex6354fd2

104157138 has 16 divisors (see below), whose sum is σ = 213395616. Its totient is φ = 33872160.

The previous prime is 104157121. The next prime is 104157139. The reversal of 104157138 is 831751401.

It is not an unprimeable number, because it can be changed into a prime (104157139) 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, 211456 + ... + 211947.

It is an arithmetic number, because the mean of its divisors is an integer number (13337226).

Almost surely, 2104157138 is an apocalyptic number.

104157138 is an abundant number, since it is smaller than the sum of its proper divisors (109238478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104157138 is a wasteful number, since it uses less digits than its factorization.

104157138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423449.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 104157138 is about 10205.7404434955. The cubic root of 104157138 is about 470.5036670932.

The spelling of 104157138 in words is "one hundred four million, one hundred fifty-seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 41 82 123 246 423403 846806 1270209 2540418 17359523 34719046 52078569 104157138