Base | Representation |
---|---|
bin | 101100010011… |
… | …1000111000001 |
3 | 1121201011000100 |
4 | 1120213013001 |
5 | 21421310430 |
6 | 2145513013 |
7 | 401304432 |
oct | 130470701 |
9 | 47634010 |
10 | 23228865 |
11 | 12126210 |
12 | 7942769 |
13 | 4a73cba |
14 | 3129489 |
15 | 208c960 |
hex | 16271c1 |
23228865 has 48 divisors (see below), whose sum is σ = 44343936. Its totient is φ = 11155200.
The previous prime is 23228839. The next prime is 23228897. The reversal of 23228865 is 56882232.
It is not a de Polignac number, because 23228865 - 26 = 23228801 is a prime.
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 47 ways as a sum of consecutive naturals, for example, 82525 + ... + 82805.
It is an arithmetic number, because the mean of its divisors is an integer number (923832).
Almost surely, 223228865 is an apocalyptic number.
It is an amenable number.
23228865 is a deficient number, since it is larger than the sum of its proper divisors (21115071).
23228865 is a wasteful number, since it uses less digits than its factorization.
23228865 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 470 (or 467 counting only the distinct ones).
The product of its digits is 46080, while the sum is 36.
The square root of 23228865 is about 4819.6332848050. The cubic root of 23228865 is about 285.3268641294.
The spelling of 23228865 in words is "twenty-three million, two hundred twenty-eight thousand, eight hundred sixty-five".
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