Base | Representation |
---|---|
bin | 101010001000… |
… | …1000101100000 |
3 | 1112120021220010 |
4 | 1110101011200 |
5 | 21123340310 |
6 | 2105244520 |
7 | 355522365 |
oct | 124210540 |
9 | 45507803 |
10 | 22090080 |
11 | 11518671 |
12 | 7493740 |
13 | 476586c |
14 | 2d1046c |
15 | 1e15320 |
hex | 1511160 |
22090080 has 48 divisors (see below), whose sum is σ = 69585264. Its totient is φ = 5890560.
The previous prime is 22090039. The next prime is 22090087. The reversal of 22090080 is 8009022.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22090087) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22531 + ... + 23490.
It is an arithmetic number, because the mean of its divisors is an integer number (1449693).
Almost surely, 222090080 is an apocalyptic number.
22090080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22090080 is an abundant number, since it is smaller than the sum of its proper divisors (47495184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22090080 is a wasteful number, since it uses less digits than its factorization.
22090080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46039 (or 46031 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 22090080 is about 4700.0085106306. The cubic root of 22090080 is about 280.5858481961.
The spelling of 22090080 in words is "twenty-two million, ninety thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •