Base | Representation |
---|---|
bin | 101010111111… |
… | …1001010100000 |
3 | 1120102012101101 |
4 | 1111333022200 |
5 | 21232302320 |
6 | 2123044144 |
7 | 362411041 |
oct | 125771240 |
9 | 46365341 |
10 | 22540960 |
11 | 117a63a2 |
12 | 7670654 |
13 | 4892b60 |
14 | 2dca8c8 |
15 | 1ea3c0a |
hex | 157f2a0 |
22540960 has 48 divisors (see below), whose sum is σ = 57354696. Its totient is φ = 8322048.
The previous prime is 22540951. The next prime is 22540981. The reversal of 22540960 is 6904522.
It can be written as a sum of positive squares in 4 ways, for example, as 10679824 + 11861136 = 3268^2 + 3444^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3339 + ... + 7498.
Almost surely, 222540960 is an apocalyptic number.
22540960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22540960 is an abundant number, since it is smaller than the sum of its proper divisors (34813736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22540960 is a wasteful number, since it uses less digits than its factorization.
22540960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10865 (or 10857 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 22540960 is about 4747.7320901668. The cubic root of 22540960 is about 282.4820151967.
The spelling of 22540960 in words is "twenty-two million, five hundred forty thousand, nine hundred sixty".
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