Base | Representation |
---|---|
bin | 1101110011110… |
… | …11001010010110 |
3 | 22001222200100101 |
4 | 12321323022112 |
5 | 214124112310 |
6 | 15255004314 |
7 | 2604455530 |
oct | 671731226 |
9 | 261880311 |
10 | 115847830 |
11 | 5a43620a |
12 | 3296969a |
13 | 1b002017 |
14 | 11558850 |
15 | a28543a |
hex | 6e7b296 |
115847830 has 32 divisors (see below), whose sum is σ = 240558336. Its totient is φ = 39345504.
The previous prime is 115847827. The next prime is 115847839. The reversal of 115847830 is 38748511.
It is a self number, because there is not a number n which added to its sum of digits gives 115847830.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115847839) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244 + ... + 15223.
It is an arithmetic number, because the mean of its divisors is an integer number (7517448).
Almost surely, 2115847830 is an apocalyptic number.
115847830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
115847830 is an abundant number, since it is smaller than the sum of its proper divisors (124710506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115847830 is a wasteful number, since it uses less digits than its factorization.
115847830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15588.
The product of its (nonzero) digits is 26880, while the sum is 37.
The square root of 115847830 is about 10763.2629810852. The cubic root of 115847830 is about 487.4865461990.
The spelling of 115847830 in words is "one hundred fifteen million, eight hundred forty-seven thousand, eight hundred thirty".
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