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2885855 = 57211779
BaseRepresentation
bin1011000000100011011111
312102121122112
423000203133
51214321410
6141504235
733346400
oct13004337
95377575
102885855
1116a1205
12b7207b
137a070b
145519a7
153c0105
hex2c08df

2885855 has 12 divisors (see below), whose sum is σ = 4028760. Its totient is φ = 1978704.

The previous prime is 2885837. The next prime is 2885863. The reversal of 2885855 is 5585882.

2885855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2885855 - 28 = 2885599 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 5645 + ... + 6134.

It is an arithmetic number, because the mean of its divisors is an integer number (335730).

22885855 is an apocalyptic number.

2885855 is a deficient number, since it is larger than the sum of its proper divisors (1142905).

2885855 is a wasteful number, since it uses less digits than its factorization.

2885855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11798 (or 11791 counting only the distinct ones).

The product of its digits is 128000, while the sum is 41.

The square root of 2885855 is about 1698.7804449075. The cubic root of 2885855 is about 142.3720817791.

The spelling of 2885855 in words is "two million, eight hundred eighty-five thousand, eight hundred fifty-five".

Divisors: 1 5 7 35 49 245 11779 58895 82453 412265 577171 2885855