Base | Representation |
---|---|
bin | 101010111110… |
… | …0101011101001 |
3 | 1120101200102211 |
4 | 1111330223221 |
5 | 21231441133 |
6 | 2122525121 |
7 | 362336305 |
oct | 125745351 |
9 | 46350384 |
10 | 22530793 |
11 | 1179979a |
12 | 76667a1 |
13 | 488b33c |
14 | 2dc6d05 |
15 | 1ea0bcd |
hex | 157cae9 |
22530793 has 4 divisors (see below), whose sum is σ = 22839508. Its totient is φ = 22222080.
The previous prime is 22530757. The next prime is 22530803. The reversal of 22530793 is 39703522.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7884864 + 14645929 = 2808^2 + 3827^2 .
It is a cyclic number.
It is not a de Polignac number, because 22530793 - 217 = 22399721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22534793) 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, 154248 + ... + 154393.
It is an arithmetic number, because the mean of its divisors is an integer number (5709877).
Almost surely, 222530793 is an apocalyptic number.
It is an amenable number.
22530793 is a deficient number, since it is larger than the sum of its proper divisors (308715).
22530793 is an equidigital number, since it uses as much as digits as its factorization.
22530793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 308714.
The product of its (nonzero) digits is 11340, while the sum is 31.
The square root of 22530793 is about 4746.6612476561. The cubic root of 22530793 is about 282.4395380565.
The spelling of 22530793 in words is "twenty-two million, five hundred thirty thousand, seven hundred ninety-three".
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