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28044882 = 2325093061
BaseRepresentation
bin110101011111…
…0111001010010
31221202211100100
41222332321102
524134414012
62441033230
7460243335
oct152767122
957684310
1028044882
1114915598
129485816
135a6c108
143a2061c
1526de8dc
hex1abee52

28044882 has 24 divisors (see below), whose sum is σ = 60903180. Its totient is φ = 9326880.

The previous prime is 28044881. The next prime is 28044941. The reversal of 28044882 is 28844082.

It can be written as a sum of positive squares in 2 ways, for example, as 22667121 + 5377761 = 4761^2 + 2319^2 .

It is not an unprimeable number, because it can be changed into a prime (28044881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7632 + ... + 10692.

Almost surely, 228044882 is an apocalyptic number.

28044882 is an abundant number, since it is smaller than the sum of its proper divisors (32858298).

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

28044882 is a wasteful number, since it uses less digits than its factorization.

28044882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578 (or 3575 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 28044882 is about 5295.7418743742. The cubic root of 28044882 is about 303.8210584149.

The spelling of 28044882 in words is "twenty-eight million, forty-four thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 18 509 1018 1527 3054 3061 4581 6122 9162 9183 18366 27549 55098 1558049 3116098 4674147 9348294 14022441 28044882