Base | Representation |
---|---|
bin | 101011101111… |
… | …0010110000000 |
3 | 1121011000011111 |
4 | 1113132112000 |
5 | 21332241231 |
6 | 2135253104 |
7 | 365623456 |
oct | 127362600 |
9 | 47130144 |
10 | 22930816 |
11 | 11a42297 |
12 | 781a194 |
13 | 499b43c |
14 | 308c9d6 |
15 | 202e4b1 |
hex | 15de580 |
22930816 has 32 divisors (see below), whose sum is σ = 47674800. Its totient is φ = 10965504.
The previous prime is 22930813. The next prime is 22930823. The reversal of 22930816 is 61803922.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22930813) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951 + ... + 6838.
Almost surely, 222930816 is an apocalyptic number.
It is an amenable number.
22930816 is an abundant number, since it is smaller than the sum of its proper divisors (24743984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22930816 is an equidigital number, since it uses as much as digits as its factorization.
22930816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7826 (or 7814 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 22930816 is about 4788.6131604046. The cubic root of 22930816 is about 284.1012665385.
The spelling of 22930816 in words is "twenty-two million, nine hundred thirty thousand, eight hundred sixteen".
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