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104157145 = 5198997127
BaseRepresentation
bin1100011010101…
…00111111011001
321020222201202001
412031110333121
5203131012040
614200241001
72403215101
oct615247731
9236881661
10104157145
1153880894
122aa70161
131876aa61
14db94201
15922659a
hex6354fd9

104157145 has 32 divisors (see below), whose sum is σ = 135475200. Its totient is φ = 76640256.

The previous prime is 104157139. The next prime is 104157149. The reversal of 104157145 is 541751401.

It is a cyclic number.

It is not a de Polignac number, because 104157145 - 27 = 104157017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104157149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 820072 + ... + 820198.

It is an arithmetic number, because the mean of its divisors is an integer number (4233600).

Almost surely, 2104157145 is an apocalyptic number.

It is an amenable number.

104157145 is a deficient number, since it is larger than the sum of its proper divisors (31318055).

104157145 is a wasteful number, since it uses less digits than its factorization.

104157145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 104157145 is about 10205.7407864398. The cubic root of 104157145 is about 470.5036776335.

The spelling of 104157145 in words is "one hundred four million, one hundred fifty-seven thousand, one hundred forty-five".

Divisors: 1 5 19 89 95 97 127 445 485 635 1691 1843 2413 8455 8633 9215 11303 12065 12319 43165 56515 61595 164027 214757 234061 820135 1073785 1096391 1170305 5481955 20831429 104157145