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22512068 = 2253106189
BaseRepresentation
bin101010111100…
…0000111000100
31120100201202022
41111320013010
521230341233
62122302312
7362230565
oct125700704
946321668
1022512068
1111786717
127657998
134882967
142dc016c
151e9a398
hex15781c4

22512068 has 12 divisors (see below), whose sum is σ = 40139820. Its totient is φ = 11043552.

The previous prime is 22512053. The next prime is 22512143. The reversal of 22512068 is 86021522.

It can be written as a sum of positive squares in 2 ways, for example, as 11276164 + 11235904 = 3358^2 + 3352^2 .

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 3 ways as a sum of consecutive naturals, for example, 52883 + ... + 53306.

It is an arithmetic number, because the mean of its divisors is an integer number (3344985).

Almost surely, 222512068 is an apocalyptic number.

It is an amenable number.

22512068 is a deficient number, since it is larger than the sum of its proper divisors (17627752).

22512068 is a wasteful number, since it uses less digits than its factorization.

22512068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106246 (or 106244 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 22512068 is about 4744.6883986201. The cubic root of 22512068 is about 282.3612726334.

The spelling of 22512068 in words is "twenty-two million, five hundred twelve thousand, sixty-eight".

Divisors: 1 2 4 53 106 212 106189 212378 424756 5628017 11256034 22512068