Base | Representation |
---|---|
bin | 1101110011100… |
… | …01101011010100 |
3 | 22001220201001111 |
4 | 12321301223110 |
5 | 214121341410 |
6 | 15254104404 |
7 | 2604234340 |
oct | 671615324 |
9 | 261821044 |
10 | 115808980 |
11 | 5a40a001 |
12 | 3294b104 |
13 | 1acba431 |
14 | 11548620 |
15 | a278b8a |
hex | 6e71ad4 |
115808980 has 48 divisors (see below), whose sum is σ = 278562816. Its totient is φ = 39617280.
The previous prime is 115808951. The next prime is 115808993. The reversal of 115808980 is 89808511.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105997 + ... + 107083.
It is an arithmetic number, because the mean of its divisors is an integer number (5803392).
Almost surely, 2115808980 is an apocalyptic number.
115808980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
115808980 is an abundant number, since it is smaller than the sum of its proper divisors (162753836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115808980 is a wasteful number, since it uses less digits than its factorization.
115808980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1864 (or 1862 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 40.
The square root of 115808980 is about 10761.4580796470. The cubic root of 115808980 is about 487.4320466318.
The spelling of 115808980 in words is "one hundred fifteen million, eight hundred eight thousand, nine hundred eighty".
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