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22868256 = 2532310357
BaseRepresentation
bin101011100111…
…1000100100000
31121000211100110
41113033010200
521323241011
62134051320
7365243205
oct127170440
947024313
1022868256
11119aa294
1277a9b40
134978b18
143073cac
15201aba6
hex15cf120

22868256 has 48 divisors (see below), whose sum is σ = 62645184. Its totient is φ = 7290624.

The previous prime is 22868231. The next prime is 22868291. The reversal of 22868256 is 65286822.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 2971 + ... + 7386.

It is an arithmetic number, because the mean of its divisors is an integer number (1305108).

Almost surely, 222868256 is an apocalyptic number.

It is an amenable number.

22868256 is an abundant number, since it is smaller than the sum of its proper divisors (39776928).

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

22868256 is a wasteful number, since it uses less digits than its factorization.

22868256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10393 (or 10385 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 22868256 is about 4782.0765364013. The cubic root of 22868256 is about 283.8426689243.

The spelling of 22868256 in words is "twenty-two million, eight hundred sixty-eight thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 69 92 96 138 184 276 368 552 736 1104 2208 10357 20714 31071 41428 62142 82856 124284 165712 238211 248568 331424 476422 497136 714633 952844 994272 1429266 1905688 2858532 3811376 5717064 7622752 11434128 22868256