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104150109 = 371721312
BaseRepresentation
bin1100011010100…
…11010001011101
321020222101002110
412031103101131
5203130300414
614200144233
72403155430
oct615232135
9236871073
10104150109
1153876578
122aa68079
13187677ab
14db91817
159224459
hex635345d

104150109 has 36 divisors (see below), whose sum is σ = 169886432. Its totient is φ = 55585920.

The previous prime is 104150099. The next prime is 104150117. The reversal of 104150109 is 901051401.

It is not a de Polignac number, because 104150109 - 220 = 103101533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104151109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 794974 + ... + 795104.

Almost surely, 2104150109 is an apocalyptic number.

It is an amenable number.

104150109 is a deficient number, since it is larger than the sum of its proper divisors (65736323).

104150109 is an equidigital number, since it uses as much as digits as its factorization.

104150109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 104150109 is about 10205.3960726667. The cubic root of 104150109 is about 470.4930829421.

Multiplying 104150109 by its sum of digits (21), we get a square (2187152289 = 467672).

104150109 divided by its sum of digits (21) gives a square (4959529 = 22272).

The spelling of 104150109 in words is "one hundred four million, one hundred fifty thousand, one hundred nine".

Divisors: 1 3 7 17 21 51 119 131 289 357 393 867 917 2023 2227 2751 6069 6681 15589 17161 37859 46767 51483 113577 120127 265013 291737 360381 795039 875211 2042159 4959529 6126477 14878587 34716703 104150109