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22530241 = 1071931091
BaseRepresentation
bin101010111110…
…0100011000001
31120101122200101
41111330203001
521231431431
62122522401
7362334556
oct125744301
946348611
1022530241
1111799338
127666401
13488b006
142dc6a2d
151ea0961
hex157c8c1

22530241 has 8 divisors (see below), whose sum is σ = 22879584. Its totient is φ = 22183680.

The previous prime is 22530239. The next prime is 22530251. The reversal of 22530241 is 14203522.

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 22530241 - 21 = 22530239 is a prime.

It is a super-2 number, since 2×225302412 = 1015223519036162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22530251) 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, 20106 + ... + 21196.

It is an arithmetic number, because the mean of its divisors is an integer number (2859948).

Almost surely, 222530241 is an apocalyptic number.

It is an amenable number.

22530241 is a deficient number, since it is larger than the sum of its proper divisors (349343).

22530241 is a wasteful number, since it uses less digits than its factorization.

22530241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22530241 is about 4746.6031011661. The cubic root of 22530241 is about 282.4372314666.

Adding to 22530241 its reverse (14203522), we get a palindrome (36733763).

The spelling of 22530241 in words is "twenty-two million, five hundred thirty thousand, two hundred forty-one".

Divisors: 1 107 193 1091 20651 116737 210563 22530241