Base | Representation |
---|---|
bin | 1101101110000… |
… | …01001010010001 |
3 | 22000112222021022 |
4 | 12313001022101 |
5 | 213430222334 |
6 | 15230405225 |
7 | 2565133415 |
oct | 667011221 |
9 | 260488238 |
10 | 115085969 |
11 | 59a65879 |
12 | 32660815 |
13 | 1aac630b |
14 | 113dad45 |
15 | a18482e |
hex | 6dc1291 |
115085969 has 4 divisors (see below), whose sum is σ = 115136880. Its totient is φ = 115035060.
The previous prime is 115085963. The next prime is 115086019. The reversal of 115085969 is 969580511.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 115085969 - 220 = 114037393 is a prime.
It is a super-2 number, since 2×1150859692 = 26489560521337922, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (115085963) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21899 + ... + 26640.
It is an arithmetic number, because the mean of its divisors is an integer number (28784220).
Almost surely, 2115085969 is an apocalyptic number.
It is an amenable number.
115085969 is a deficient number, since it is larger than the sum of its proper divisors (50911).
115085969 is an equidigital number, since it uses as much as digits as its factorization.
115085969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50910.
The product of its (nonzero) digits is 97200, while the sum is 44.
The square root of 115085969 is about 10727.8128712240. The cubic root of 115085969 is about 486.4155604463.
The spelling of 115085969 in words is "one hundred fifteen million, eighty-five thousand, nine hundred sixty-nine".
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