Base | Representation |
---|---|
bin | 100111110101… |
… | …0111000011110 |
3 | 1110022001212100 |
4 | 1033222320132 |
5 | 20321310042 |
6 | 2023345530 |
7 | 342343164 |
oct | 117527036 |
9 | 43261770 |
10 | 20885022 |
11 | 10875254 |
12 | 6bb22a6 |
13 | 4433202 |
14 | 2ab9234 |
15 | 1c7824c |
hex | 13eae1e |
20885022 has 12 divisors (see below), whose sum is σ = 45250920. Its totient is φ = 6961668.
The previous prime is 20885003. The next prime is 20885069. The reversal of 20885022 is 22058802.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 580122 + ... + 580157.
It is an arithmetic number, because the mean of its divisors is an integer number (3770910).
Almost surely, 220885022 is an apocalyptic number.
20885022 is an abundant number, since it is smaller than the sum of its proper divisors (24365898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20885022 is a wasteful number, since it uses less digits than its factorization.
20885022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1160287 (or 1160284 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 20885022 is about 4570.0133479017. The cubic root of 20885022 is about 275.3879790906.
The spelling of 20885022 in words is "twenty million, eight hundred eighty-five thousand, twenty-two".
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