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22530323 = 431035087
BaseRepresentation
bin101010111110…
…0100100010011
31120101122210102
41111330210103
521231432243
62122523015
7362335034
oct125744423
946348712
1022530323
1111799402
12766646b
13488b06a
142dc6a8b
151ea09b8
hex157c913

22530323 has 8 divisors (see below), whose sum is σ = 23282688. Its totient is φ = 21788424.

The previous prime is 22530311. The next prime is 22530329. The reversal of 22530323 is 32303522.

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 22530323 - 24 = 22530307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22530295 and 22530304.

It is not an unprimeable number, because it can be changed into a prime (22530329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1886 + ... + 6972.

It is an arithmetic number, because the mean of its divisors is an integer number (2910336).

Almost surely, 222530323 is an apocalyptic number.

22530323 is a deficient number, since it is larger than the sum of its proper divisors (752365).

22530323 is a wasteful number, since it uses less digits than its factorization.

22530323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 22530323 is about 4746.6117389144. The cubic root of 22530323 is about 282.4375741146.

Adding to 22530323 its reverse (32303522), we get a palindrome (54833845).

The spelling of 22530323 in words is "twenty-two million, five hundred thirty thousand, three hundred twenty-three".

Divisors: 1 43 103 4429 5087 218741 523961 22530323