Base | Representation |
---|---|
bin | 101010010110… |
… | …0100001111010 |
3 | 1112210000002110 |
4 | 1110230201322 |
5 | 21140434430 |
6 | 2111513150 |
7 | 356501202 |
oct | 124544172 |
9 | 45700073 |
10 | 22202490 |
11 | 11595072 |
12 | 75287b6 |
13 | 47a4a8b |
14 | 2d3d402 |
15 | 1e387b0 |
hex | 152c87a |
22202490 has 32 divisors (see below), whose sum is σ = 53654400. Its totient is φ = 5879744.
The previous prime is 22202489. The next prime is 22202501. The reversal of 22202490 is 9420222.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987 + ... + 6953.
It is an arithmetic number, because the mean of its divisors is an integer number (1676700).
Almost surely, 222202490 is an apocalyptic number.
22202490 is an abundant number, since it is smaller than the sum of its proper divisors (31451910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22202490 is a wasteful number, since it uses less digits than its factorization.
22202490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5126.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 22202490 is about 4711.9518248811. The cubic root of 22202490 is about 281.0609831212.
The spelling of 22202490 in words is "twenty-two million, two hundred two thousand, four hundred ninety".
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