Base | Representation |
---|---|
bin | 101010111110… |
… | …0101011010001 |
3 | 1120101200101221 |
4 | 1111330223101 |
5 | 21231441034 |
6 | 2122525041 |
7 | 362336242 |
oct | 125745321 |
9 | 46350357 |
10 | 22530769 |
11 | 11799778 |
12 | 7666781 |
13 | 488b321 |
14 | 2dc6cc9 |
15 | 1ea0bb4 |
hex | 157cad1 |
22530769 has 8 divisors (see below), whose sum is σ = 23362560. Its totient is φ = 21705600.
The previous prime is 22530757. The next prime is 22530803. The reversal of 22530769 is 96703522.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22530769 - 215 = 22498001 is a prime.
It is a super-2 number, since 2×225307692 = 1015271103462722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22530269) 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, 5889 + ... + 8929.
It is an arithmetic number, because the mean of its divisors is an integer number (2920320).
Almost surely, 222530769 is an apocalyptic number.
It is an amenable number.
22530769 is a deficient number, since it is larger than the sum of its proper divisors (831791).
22530769 is a wasteful number, since it uses less digits than its factorization.
22530769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3311.
The product of its (nonzero) digits is 22680, while the sum is 34.
The square root of 22530769 is about 4746.6587195626. The cubic root of 22530769 is about 282.4394377707.
The spelling of 22530769 in words is "twenty-two million, five hundred thirty thousand, seven hundred sixty-nine".
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