Base | Representation |
---|---|
bin | 101010111110… |
… | …0100001110000 |
3 | 1120101122120101 |
4 | 1111330201300 |
5 | 21231431120 |
6 | 2122522144 |
7 | 362334412 |
oct | 125744160 |
9 | 46348511 |
10 | 22530160 |
11 | 11799274 |
12 | 7666354 |
13 | 488ac73 |
14 | 2dc69b2 |
15 | 1ea090a |
hex | 157c870 |
22530160 has 20 divisors (see below), whose sum is σ = 52382808. Its totient is φ = 9012032.
The previous prime is 22530139. The next prime is 22530161. The reversal of 22530160 is 6103522.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22530161) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140734 + ... + 140893.
Almost surely, 222530160 is an apocalyptic number.
22530160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22530160 is an abundant number, since it is smaller than the sum of its proper divisors (29852648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22530160 is a wasteful number, since it uses less digits than its factorization.
22530160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281640 (or 281634 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 22530160 is about 4746.5945687408. The cubic root of 22530160 is about 282.4368929964.
Adding to 22530160 its reverse (6103522), we get a palindrome (28633682).
The spelling of 22530160 in words is "twenty-two million, five hundred thirty thousand, one hundred sixty".
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