Base | Representation |
---|---|
bin | 101010000000… |
… | …0001011000000 |
3 | 1112102202212012 |
4 | 1110000023000 |
5 | 21114131200 |
6 | 2103552052 |
7 | 355113404 |
oct | 124001300 |
9 | 45382765 |
10 | 22020800 |
11 | 1148060a |
12 | 745b628 |
13 | 4740179 |
14 | 2cd3104 |
15 | 1deea35 |
hex | 15002c0 |
22020800 has 42 divisors (see below), whose sum is σ = 54188868. Its totient is φ = 8807680.
The previous prime is 22020793. The next prime is 22020833. The reversal of 22020800 is 802022.
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, 5282 + ... + 8481.
Almost surely, 222020800 is an apocalyptic number.
22020800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22020800 is an abundant number, since it is smaller than the sum of its proper divisors (32168068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22020800 is a wasteful number, since it uses less digits than its factorization.
22020800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13785 (or 13770 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 22020800 is about 4692.6325234350. The cubic root of 22020800 is about 280.2922119442.
Adding to 22020800 its reverse (802022), we get a palindrome (22822822).
The spelling of 22020800 in words is "twenty-two million, twenty thousand, eight hundred".
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