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2889888 = 25330103
BaseRepresentation
bin1011000001100010100000
312102211011220
423001202200
51214434023
6141535040
733364221
oct13014240
95384156
102889888
1116a4241
12b74480
137a24c1
14553248
153c13e3
hex2c18a0

2889888 has 24 divisors (see below), whose sum is σ = 7586208. Its totient is φ = 963264.

The previous prime is 2889883. The next prime is 2889923. The reversal of 2889888 is 8889882.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2889888.

It is not an unprimeable number, because it can be changed into a prime (2889883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14956 + ... + 15147.

It is an arithmetic number, because the mean of its divisors is an integer number (316092).

22889888 is an apocalyptic number.

It is an amenable number.

2889888 is an abundant number, since it is smaller than the sum of its proper divisors (4696320).

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

2889888 is a wasteful number, since it uses less digits than its factorization.

2889888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30116 (or 30108 counting only the distinct ones).

The product of its digits is 589824, while the sum is 51.

The square root of 2889888 is about 1699.9670585044. The cubic root of 2889888 is about 142.4383728594.

The spelling of 2889888 in words is "two million, eight hundred eighty-nine thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 30103 60206 90309 120412 180618 240824 361236 481648 722472 963296 1444944 2889888