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22507068 = 2237325693
BaseRepresentation
bin101010111011…
…0111000111100
31120100110220010
41111312320330
521230211233
62122223220
7362210163
oct125667074
946313803
1022507068
1111782991
127654b10
1348805bc
142dbc3da
151e98b63
hex1576e3c

22507068 has 24 divisors (see below), whose sum is σ = 53237968. Its totient is φ = 7399296.

The previous prime is 22507061. The next prime is 22507117. The reversal of 22507068 is 86070522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22507061) 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, 11971 + ... + 13722.

Almost surely, 222507068 is an apocalyptic number.

It is an amenable number.

22507068 is an abundant number, since it is smaller than the sum of its proper divisors (30730900).

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

22507068 is a wasteful number, since it uses less digits than its factorization.

22507068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25773 (or 25771 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 22507068 is about 4744.1614643686. The cubic root of 22507068 is about 282.3403666479.

The spelling of 22507068 in words is "twenty-two million, five hundred seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 25693 51386 77079 102772 154158 308316 1875589 3751178 5626767 7502356 11253534 22507068