Base | Representation |
---|---|
bin | 101011101101… |
… | …1101111000100 |
3 | 1121010110111210 |
4 | 1113123233010 |
5 | 21331421012 |
6 | 2135131420 |
7 | 365550354 |
oct | 127335704 |
9 | 47113453 |
10 | 22920132 |
11 | 11a35264 |
12 | 7813b70 |
13 | 4996611 |
14 | 3088b64 |
15 | 202b23c |
hex | 15dbbc4 |
22920132 has 24 divisors (see below), whose sum is σ = 54012672. Its totient is φ = 7564000.
The previous prime is 22920113. The next prime is 22920133. The reversal of 22920132 is 23102922.
It is a junction number, because it is equal to n+sod(n) for n = 22920099 and 22920108.
It is not an unprimeable number, because it can be changed into a prime (22920133) 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, 8244 + ... + 10667.
It is an arithmetic number, because the mean of its divisors is an integer number (2250528).
Almost surely, 222920132 is an apocalyptic number.
It is an amenable number.
22920132 is an abundant number, since it is smaller than the sum of its proper divisors (31092540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22920132 is a wasteful number, since it uses less digits than its factorization.
22920132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19019 (or 19017 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 22920132 is about 4787.4974673623. The cubic root of 22920132 is about 284.0571365568.
The spelling of 22920132 in words is "twenty-two million, nine hundred twenty thousand, one hundred thirty-two".
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