Base | Representation |
---|---|
bin | 101010110010… |
… | …0010001101000 |
3 | 1120012121022021 |
4 | 1111210101220 |
5 | 21220241244 |
6 | 2120434224 |
7 | 361441663 |
oct | 125442150 |
9 | 46177267 |
10 | 22430824 |
11 | 11730679 |
12 | 7618974 |
13 | 48549a0 |
14 | 2d9c6da |
15 | 1e81284 |
hex | 1564468 |
22430824 has 16 divisors (see below), whose sum is σ = 45293220. Its totient is φ = 10352640.
The previous prime is 22430789. The next prime is 22430831. The reversal of 22430824 is 42803422.
It can be written as a sum of positive squares in 2 ways, for example, as 20520900 + 1909924 = 4530^2 + 1382^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107737 + ... + 107944.
Almost surely, 222430824 is an apocalyptic number.
It is an amenable number.
22430824 is an abundant number, since it is smaller than the sum of its proper divisors (22862396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22430824 is a wasteful number, since it uses less digits than its factorization.
22430824 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215700 (or 215696 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 25.
The square root of 22430824 is about 4736.1190863406. The cubic root of 22430824 is about 282.0211911711.
The spelling of 22430824 in words is "twenty-two million, four hundred thirty thousand, eight hundred twenty-four".
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