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2808342 = 232156019
BaseRepresentation
bin1010101101101000010110
312021200022200
422231220112
51204331332
6140105330
732604405
oct12555026
95250280
102808342
111648a49
12b35246
13774354
1453163c
153a717c
hex2ada16

2808342 has 12 divisors (see below), whose sum is σ = 6084780. Its totient is φ = 936108.

The previous prime is 2808329. The next prime is 2808347. The reversal of 2808342 is 2438082.

2808342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808347) 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 5 ways as a sum of consecutive naturals, for example, 77992 + ... + 78027.

It is an arithmetic number, because the mean of its divisors is an integer number (507065).

22808342 is an apocalyptic number.

2808342 is an abundant number, since it is smaller than the sum of its proper divisors (3276438).

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

2808342 is a wasteful number, since it uses less digits than its factorization.

2808342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156027 (or 156024 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2808342 is about 1675.8108485148. The cubic root of 2808342 is about 141.0858086409.

The spelling of 2808342 in words is "two million, eight hundred eight thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 156019 312038 468057 936114 1404171 2808342