Base | Representation |
---|---|
bin | 101010111000… |
… | …0011111101000 |
3 | 1120022010221220 |
4 | 1111300133220 |
5 | 21223341442 |
6 | 2121502040 |
7 | 362040621 |
oct | 125603750 |
9 | 46263856 |
10 | 22480872 |
11 | 11765237 |
12 | 7641920 |
13 | 48716bb |
14 | 2db2a48 |
15 | 1e90eec |
hex | 15707e8 |
22480872 has 64 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 7250880.
The previous prime is 22480849. The next prime is 22480897. The reversal of 22480872 is 27808422.
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 15 ways as a sum of consecutive naturals, for example, 134533 + ... + 134699.
It is an arithmetic number, because the mean of its divisors is an integer number (907200).
Almost surely, 222480872 is an apocalyptic number.
It is an amenable number.
22480872 is an abundant number, since it is smaller than the sum of its proper divisors (35579928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22480872 is a wasteful number, since it uses less digits than its factorization.
22480872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 326 (or 322 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 33.
The square root of 22480872 is about 4741.3997933100. The cubic root of 22480872 is about 282.2307853736.
The spelling of 22480872 in words is "twenty-two million, four hundred eighty thousand, eight hundred seventy-two".
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