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22004868 = 22317107867
BaseRepresentation
bin101001111110…
…0010010000100
31112101222000010
41103330102010
521113123433
62103350220
7355016064
oct123742204
945358003
1022004868
111146a646
127452370
134735b42
142ccb3a4
151de9e63
hex14fc484

22004868 has 24 divisors (see below), whose sum is σ = 54365472. Its totient is φ = 6903424.

The previous prime is 22004849. The next prime is 22004887. The reversal of 22004868 is 86840022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22004849) and next prime (22004887).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53730 + ... + 54137.

It is an arithmetic number, because the mean of its divisors is an integer number (2265228).

Almost surely, 222004868 is an apocalyptic number.

It is an amenable number.

22004868 is an abundant number, since it is smaller than the sum of its proper divisors (32360604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22004868 is a wasteful number, since it uses less digits than its factorization.

22004868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107891 (or 107889 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 22004868 is about 4690.9346616639. The cubic root of 22004868 is about 280.2245987042.

It can be divided in two parts, 220048 and 68, that added together give a triangular number (220116 = T663).

The spelling of 22004868 in words is "twenty-two million, four thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 107867 215734 323601 431468 647202 1294404 1833739 3667478 5501217 7334956 11002434 22004868