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2808916 = 221163839
BaseRepresentation
bin1010101101110001010100
312021201002221
422231301110
51204341131
6140112124
732606155
oct12556124
95251087
102808916
111649420
12b35644
137746a6
1453192c
153a7411
hex2adc54

2808916 has 12 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 1276760.

The previous prime is 2808901. The next prime is 2808917. The reversal of 2808916 is 6198082.

2808916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808917) 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 3 ways as a sum of consecutive naturals, for example, 31876 + ... + 31963.

It is an arithmetic number, because the mean of its divisors is an integer number (446880).

22808916 is an apocalyptic number.

It is an amenable number.

2808916 is a deficient number, since it is larger than the sum of its proper divisors (2553644).

2808916 is a wasteful number, since it uses less digits than its factorization.

2808916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63854 (or 63852 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2808916 is about 1675.9821001431. The cubic root of 2808916 is about 141.0954202121.

The spelling of 2808916 in words is "two million, eight hundred eight thousand, nine hundred sixteen".

Divisors: 1 2 4 11 22 44 63839 127678 255356 702229 1404458 2808916