Base | Representation |
---|---|
bin | 101100010101… |
… | …1100101111100 |
3 | 1121202002012110 |
4 | 1120223211330 |
5 | 21422402403 |
6 | 2150134020 |
7 | 401412114 |
oct | 130534574 |
9 | 47662173 |
10 | 23247228 |
11 | 12138a94 |
12 | 7951310 |
13 | 4a7c474 |
14 | 3132044 |
15 | 2093103 |
hex | 162b97c |
23247228 has 24 divisors (see below), whose sum is σ = 57434832. Its totient is φ = 7293184.
The previous prime is 23247209. The next prime is 23247229. The reversal of 23247228 is 82274232.
It is a junction number, because it is equal to n+sod(n) for n = 23247195 and 23247204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23247229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56775 + ... + 57182.
It is an arithmetic number, because the mean of its divisors is an integer number (2393118).
Almost surely, 223247228 is an apocalyptic number.
It is an amenable number.
23247228 is an abundant number, since it is smaller than the sum of its proper divisors (34187604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23247228 is a wasteful number, since it uses less digits than its factorization.
23247228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113981 (or 113979 counting only the distinct ones).
The product of its digits is 10752, while the sum is 30.
The square root of 23247228 is about 4821.5379289185. The cubic root of 23247228 is about 285.4020303385.
The spelling of 23247228 in words is "twenty-three million, two hundred forty-seven thousand, two hundred twenty-eight".
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