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22753812 = 2231896151
BaseRepresentation
bin101011011001…
…1001000010100
31120211000100210
41112303020110
521311110222
62131405420
7364255434
oct126631024
946730323
1022753812
1111931304
127753870
1349389c3
1430442c4
151ee6d0c
hex15b3214

22753812 has 12 divisors (see below), whose sum is σ = 53092256. Its totient is φ = 7584600.

The previous prime is 22753807. The next prime is 22753813. The reversal of 22753812 is 21835722.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22753812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22753813) by changing a digit.

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, 948064 + ... + 948087.

Almost surely, 222753812 is an apocalyptic number.

It is an amenable number.

22753812 is an abundant number, since it is smaller than the sum of its proper divisors (30338444).

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

22753812 is a wasteful number, since it uses less digits than its factorization.

22753812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896158 (or 1896156 counting only the distinct ones).

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

The square root of 22753812 is about 4770.0955965263. The cubic root of 22753812 is about 283.3683807472.

The spelling of 22753812 in words is "twenty-two million, seven hundred fifty-three thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 1896151 3792302 5688453 7584604 11376906 22753812