Search a number
-
+
22430643 = 371910399
BaseRepresentation
bin101010110010…
…0001110110011
31120012121001120
41111210032303
521220240033
62120433323
7361441314
oct125441663
946177046
1022430643
1111730524
127618843
134854891
142d9c60b
151e811b3
hex15643b3

22430643 has 8 divisors (see below), whose sum is σ = 29952000. Its totient is φ = 14931528.

The previous prime is 22430623. The next prime is 22430651. The reversal of 22430643 is 34603422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22430643 - 210 = 22429619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22430623) 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, 3043 + ... + 7356.

It is an arithmetic number, because the mean of its divisors is an integer number (3744000).

Almost surely, 222430643 is an apocalyptic number.

22430643 is a deficient number, since it is larger than the sum of its proper divisors (7521357).

22430643 is a wasteful number, since it uses less digits than its factorization.

22430643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 22430643 is about 4736.0999778299. The cubic root of 22430643 is about 282.0204326023.

The spelling of 22430643 in words is "twenty-two million, four hundred thirty thousand, six hundred forty-three".

Divisors: 1 3 719 2157 10399 31197 7476881 22430643