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2806055 = 5780173
BaseRepresentation
bin1010101101000100100111
312021120011222
422231010213
51204243210
6140050555
732564630
oct12550447
95246158
102806055
11164725a
12b33a5b
137732b5
14530887
153a6655
hex2ad127

2806055 has 8 divisors (see below), whose sum is σ = 3848352. Its totient is φ = 1924128.

The previous prime is 2806049. The next prime is 2806073. The reversal of 2806055 is 5506082.

2806055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2806055 - 210 = 2805031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 40052 + ... + 40121.

It is an arithmetic number, because the mean of its divisors is an integer number (481044).

22806055 is an apocalyptic number.

2806055 is a deficient number, since it is larger than the sum of its proper divisors (1042297).

2806055 is an equidigital number, since it uses as much as digits as its factorization.

2806055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80185.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2806055 is about 1675.1283532912. The cubic root of 2806055 is about 141.0475000502.

The spelling of 2806055 in words is "two million, eight hundred six thousand, fifty-five".

Divisors: 1 5 7 35 80173 400865 561211 2806055