Base | Representation |
---|---|
bin | 1100111000101… |
… | …10000111011011 |
3 | 21112101201222100 |
4 | 12130112013123 |
5 | 210133001130 |
6 | 14420454443 |
7 | 2451532416 |
oct | 634260733 |
9 | 245351870 |
10 | 108093915 |
11 | 5601a616 |
12 | 3024a423 |
13 | 195188c7 |
14 | 104dab7d |
15 | 9752c60 |
hex | 67161db |
108093915 has 12 divisors (see below), whose sum is σ = 187362864. Its totient is φ = 57650064.
The previous prime is 108093913. The next prime is 108093919. The reversal of 108093915 is 519390801.
It is a happy number.
It is not a de Polignac number, because 108093915 - 21 = 108093913 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 108093915.
It is not an unprimeable number, because it can be changed into a prime (108093911) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1200999 + ... + 1201088.
It is an arithmetic number, because the mean of its divisors is an integer number (15613572).
Almost surely, 2108093915 is an apocalyptic number.
108093915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
108093915 is a deficient number, since it is larger than the sum of its proper divisors (79268949).
108093915 is a wasteful number, since it uses less digits than its factorization.
108093915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2402098 (or 2402095 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 36.
The square root of 108093915 is about 10396.8223510840. The cubic root of 108093915 is about 476.3583133478.
The spelling of 108093915 in words is "one hundred eight million, ninety-three thousand, nine hundred fifteen".
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