Base | Representation |
---|---|
bin | 101100000101… |
… | …0100110001110 |
3 | 1121111012210220 |
4 | 1120022212032 |
5 | 21404041303 |
6 | 2143212210 |
7 | 400310103 |
oct | 130124616 |
9 | 47435726 |
10 | 23112078 |
11 | 120564a0 |
12 | 78a7066 |
13 | 4a32ab2 |
14 | 30d8aaa |
15 | 2068053 |
hex | 160a98e |
23112078 has 32 divisors (see below), whose sum is σ = 53395200. Its totient is φ = 6591360.
The previous prime is 23112073. The next prime is 23112083. The reversal of 23112078 is 87021132.
It is an interprime number because it is at equal distance from previous prime (23112073) and next prime (23112083).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23112073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9178 + ... + 11421.
It is an arithmetic number, because the mean of its divisors is an integer number (1668600).
Almost surely, 223112078 is an apocalyptic number.
23112078 is an abundant number, since it is smaller than the sum of its proper divisors (30283122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23112078 is a wasteful number, since it uses less digits than its factorization.
23112078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20632.
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 23112078 is about 4807.5022620900. The cubic root of 23112078 is about 284.8478843522.
It can be divided in two parts, 23 and 112078, that added together give a triangular number (112101 = T473).
The spelling of 23112078 in words is "twenty-three million, one hundred twelve thousand, seventy-eight".
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