Base | Representation |
---|---|
bin | 101100000101… |
… | …1011010010100 |
3 | 1121111101101101 |
4 | 1120023122110 |
5 | 21404143122 |
6 | 2143235444 |
7 | 400322605 |
oct | 130133224 |
9 | 47441341 |
10 | 23115412 |
11 | 12058a51 |
12 | 78a8b84 |
13 | 4a34478 |
14 | 30d9dac |
15 | 2069027 |
hex | 160b694 |
23115412 has 12 divisors (see below), whose sum is σ = 40823860. Its totient is φ = 11451456.
The previous prime is 23115409. The next prime is 23115451. The reversal of 23115412 is 21451132.
It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 3437316 = 4436^2 + 1854^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 23115412.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 26073 + ... + 26944.
Almost surely, 223115412 is an apocalyptic number.
It is an amenable number.
23115412 is a deficient number, since it is larger than the sum of its proper divisors (17708448).
23115412 is a wasteful number, since it uses less digits than its factorization.
23115412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53130 (or 53128 counting only the distinct ones).
The product of its digits is 240, while the sum is 19.
The square root of 23115412 is about 4807.8489992927. The cubic root of 23115412 is about 284.8615804694.
Adding to 23115412 its reverse (21451132), we get a palindrome (44566544).
The spelling of 23115412 in words is "twenty-three million, one hundred fifteen thousand, four hundred twelve".
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