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22052868 = 2231837739
BaseRepresentation
bin101010000100…
…0000000000100
31112111101211220
41110020000010
521121142433
62104400340
7355306035
oct124100004
945441756
1022052868
11114a2712
1274760b0
134751946
142d00a8c
151e092b3
hex1508004

22052868 has 12 divisors (see below), whose sum is σ = 51456720. Its totient is φ = 7350952.

The previous prime is 22052867. The next prime is 22052869. The reversal of 22052868 is 86825022.

It is an interprime number because it is at equal distance from previous prime (22052867) and next prime (22052869).

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

It is not an unprimeable number, because it can be changed into a prime (22052867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918858 + ... + 918881.

It is an arithmetic number, because the mean of its divisors is an integer number (4288060).

Almost surely, 222052868 is an apocalyptic number.

It is an amenable number.

22052868 is an abundant number, since it is smaller than the sum of its proper divisors (29403852).

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

22052868 is a wasteful number, since it uses less digits than its factorization.

22052868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837746 (or 1837744 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 22052868 is about 4696.0481258181. The cubic root of 22052868 is about 280.4282053539.

The spelling of 22052868 in words is "twenty-two million, fifty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 1837739 3675478 5513217 7350956 11026434 22052868