Base | Representation |
---|---|
bin | 1101101101100… |
… | …11110101101110 |
3 | 22000110012102110 |
4 | 12312303311232 |
5 | 213422001111 |
6 | 15225304450 |
7 | 2564515350 |
oct | 666636556 |
9 | 260405373 |
10 | 115031406 |
11 | 59a28886 |
12 | 32635126 |
13 | 1aaa7529 |
14 | 113c50d0 |
15 | a1735a6 |
hex | 6db3d6e |
115031406 has 32 divisors (see below), whose sum is σ = 265351680. Its totient is φ = 32563296.
The previous prime is 115031387. The next prime is 115031459. The reversal of 115031406 is 604130511.
It is a Harshad number since it is a multiple of its sum of digits (21).
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, 7986 + ... + 17141.
It is an arithmetic number, because the mean of its divisors is an integer number (8292240).
Almost surely, 2115031406 is an apocalyptic number.
115031406 is an abundant number, since it is smaller than the sum of its proper divisors (150320274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115031406 is a wasteful number, since it uses less digits than its factorization.
115031406 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25248.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 115031406 is about 10725.2695071033. The cubic root of 115031406 is about 486.3386773768.
Adding to 115031406 its reverse (604130511), we get a palindrome (719161917).
The spelling of 115031406 in words is "one hundred fifteen million, thirty-one thousand, four hundred six".
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