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2808568 = 23750153
BaseRepresentation
bin1010101101101011111000
312021200122001
422231223320
51204333233
6140110344
732605150
oct12555370
95250561
102808568
111649134
12b353b4
13774499
14531760
153a727d
hex2adaf8

2808568 has 16 divisors (see below), whose sum is σ = 6018480. Its totient is φ = 1203648.

The previous prime is 2808551. The next prime is 2808571. The reversal of 2808568 is 8658082.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25021 + ... + 25132.

It is an arithmetic number, because the mean of its divisors is an integer number (376155).

22808568 is an apocalyptic number.

2808568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2808568 is an abundant number, since it is smaller than the sum of its proper divisors (3209912).

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

2808568 is a wasteful number, since it uses less digits than its factorization.

2808568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50166 (or 50162 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2808568 is about 1675.8782772027. The cubic root of 2808568 is about 141.0895931440.

The spelling of 2808568 in words is "two million, eight hundred eight thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 50153 100306 200612 351071 401224 702142 1404284 2808568