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22990568 = 234336637
BaseRepresentation
bin101011110110…
…0111011101000
31121021001010112
41113230323220
521341144233
62140433452
7366262616
oct127547350
947231115
1022990568
1111a83177
127848888
1349bc6b3
1430a66b6
152042048
hex15ecee8

22990568 has 16 divisors (see below), whose sum is σ = 43213380. Its totient is φ = 11467008.

The previous prime is 22990559. The next prime is 22990603. The reversal of 22990568 is 86509922.

It can be written as a sum of positive squares in 2 ways, for example, as 16630084 + 6360484 = 4078^2 + 2522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146 + ... + 6782.

Almost surely, 222990568 is an apocalyptic number.

It is an amenable number.

22990568 is a deficient number, since it is larger than the sum of its proper divisors (20222812).

22990568 is a wasteful number, since it uses less digits than its factorization.

22990568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7076 (or 7072 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 22990568 is about 4794.8480685002. The cubic root of 22990568 is about 284.3478182448.

The spelling of 22990568 in words is "twenty-two million, nine hundred ninety thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 433 866 1732 3464 6637 13274 26548 53096 2873821 5747642 11495284 22990568