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22768828 = 2229331593
BaseRepresentation
bin101011011011…
…0110010111100
31120211202221221
41112312302330
521312100303
62132003124
7364350265
oct126666274
946752857
1022768828
1111941615
1277604a4
1349427a4
14304996c
151eeb4bd
hex15b6cbc

22768828 has 24 divisors (see below), whose sum is σ = 41413680. Its totient is φ = 10940160.

The previous prime is 22768819. The next prime is 22768829. The reversal of 22768828 is 82886722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22768829) 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, 38100 + ... + 38692.

It is an arithmetic number, because the mean of its divisors is an integer number (1725570).

Almost surely, 222768828 is an apocalyptic number.

It is an amenable number.

22768828 is a deficient number, since it is larger than the sum of its proper divisors (18644852).

22768828 is a wasteful number, since it uses less digits than its factorization.

22768828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 955 counting only the distinct ones).

The product of its digits is 172032, while the sum is 43.

The square root of 22768828 is about 4771.6693095813. The cubic root of 22768828 is about 283.4307017908.

The spelling of 22768828 in words is "twenty-two million, seven hundred sixty-eight thousand, eight hundred twenty-eight".

Divisors: 1 2 4 29 58 116 331 593 662 1186 1324 2372 9599 17197 19198 34394 38396 68788 196283 392566 785132 5692207 11384414 22768828