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2808364 = 2213531019
BaseRepresentation
bin1010101101101000101100
312021200100111
422231220230
51204331424
6140105404
732604436
oct12555054
95250314
102808364
111648a69
12b35264
13774370
14531656
153a7194
hex2ada2c

2808364 has 24 divisors (see below), whose sum is σ = 5397840. Its totient is φ = 1270464.

The previous prime is 2808361. The next prime is 2808397. The reversal of 2808364 is 4638082.

It is a happy number.

2808364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2808361) 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 7 ways as a sum of consecutive naturals, for example, 2247 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (224910).

22808364 is an apocalyptic number.

It is an amenable number.

2808364 is a deficient number, since it is larger than the sum of its proper divisors (2589476).

2808364 is a wasteful number, since it uses less digits than its factorization.

2808364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2808364 is about 1675.8174124886. The cubic root of 2808364 is about 141.0861770527.

The spelling of 2808364 in words is "two million, eight hundred eight thousand, three hundred sixty-four".

Divisors: 1 2 4 13 26 52 53 106 212 689 1019 1378 2038 2756 4076 13247 26494 52988 54007 108014 216028 702091 1404182 2808364