Base | Representation |
---|---|
bin | 1101110000111… |
… | …11110000010111 |
3 | 22001021122202202 |
4 | 12320133300113 |
5 | 214030122211 |
6 | 15242555115 |
7 | 2601336143 |
oct | 670376027 |
9 | 261248682 |
10 | 115473431 |
11 | 5a1aa997 |
12 | 32808a9b |
13 | 1ac00798 |
14 | 1149c223 |
15 | a20e53b |
hex | 6e1fc17 |
115473431 has 12 divisors (see below), whose sum is σ = 123444000. Its totient is φ = 107984448.
The previous prime is 115473383. The next prime is 115473433. The reversal of 115473431 is 134374511.
It is a de Polignac number, because none of the positive numbers 2k-115473431 is a prime.
It is a super-2 number, since 2×1154734312 = 26668226533823522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 115473394 and 115473403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115473433) 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, 26495 + ... + 30543.
It is an arithmetic number, because the mean of its divisors is an integer number (10287000).
Almost surely, 2115473431 is an apocalyptic number.
115473431 is a deficient number, since it is larger than the sum of its proper divisors (7970569).
115473431 is an equidigital number, since it uses as much as digits as its factorization.
115473431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4166 (or 4147 counting only the distinct ones).
The product of its digits is 5040, while the sum is 29.
The square root of 115473431 is about 10745.8564572583. The cubic root of 115473431 is about 486.9608236570.
The spelling of 115473431 in words is "one hundred fifteen million, four hundred seventy-three thousand, four hundred thirty-one".
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