Base | Representation |
---|---|
bin | 101100000101… |
… | …1010100000100 |
3 | 1121111100211120 |
4 | 1120023110010 |
5 | 21404140022 |
6 | 2143233540 |
7 | 400321464 |
oct | 130132404 |
9 | 47440746 |
10 | 23115012 |
11 | 12058718 |
12 | 78a88b0 |
13 | 4a3422b |
14 | 30d9ba4 |
15 | 2068d5c |
hex | 160b504 |
23115012 has 24 divisors (see below), whose sum is σ = 54675936. Its totient is φ = 7599168.
The previous prime is 23114999. The next prime is 23115041. The reversal of 23115012 is 21051132.
It is a junction number, because it is equal to n+sod(n) for n = 23114982 and 23115000.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12318 + ... + 14069.
It is an arithmetic number, because the mean of its divisors is an integer number (2278164).
Almost surely, 223115012 is an apocalyptic number.
It is an amenable number.
23115012 is an abundant number, since it is smaller than the sum of its proper divisors (31560924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23115012 is a wasteful number, since it uses less digits than its factorization.
23115012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26467 (or 26465 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 23115012 is about 4807.8074004685. The cubic root of 23115012 is about 284.8599373335.
Adding to 23115012 its reverse (21051132), we get a palindrome (44166144).
The spelling of 23115012 in words is "twenty-three million, one hundred fifteen thousand, twelve".
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