Base | Representation |
---|---|
bin | 101011100001… |
… | …1100001100000 |
3 | 1120221102110202 |
4 | 1113003201200 |
5 | 21320232320 |
6 | 2133044332 |
7 | 364655261 |
oct | 127034140 |
9 | 46842422 |
10 | 22820960 |
11 | 119777a8 |
12 | 77866a8 |
13 | 4960436 |
14 | 3060968 |
15 | 200bb75 |
hex | 15c3860 |
22820960 has 96 divisors (see below), whose sum is σ = 57480192. Its totient is φ = 8547840.
The previous prime is 22820951. The next prime is 22820977. The reversal of 22820960 is 6902822.
It is a happy number.
It is a congruent 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, 213227 + ... + 213333.
It is an arithmetic number, because the mean of its divisors is an integer number (598752).
Almost surely, 222820960 is an apocalyptic number.
22820960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22820960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28740096).
22820960 is an abundant number, since it is smaller than the sum of its proper divisors (34659232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22820960 is a wasteful number, since it uses less digits than its factorization.
22820960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196 (or 188 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 22820960 is about 4777.1288448188. The cubic root of 22820960 is about 283.6468532570.
The spelling of 22820960 in words is "twenty-two million, eight hundred twenty thousand, nine hundred sixty".
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