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2855260 = 225367389
BaseRepresentation
bin1010111001000101011100
312101001200101
422321011130
51212332020
6141110444
733161242
oct12710534
95331611
102855260
111680221
12b58424
1378c805
14544792
153b600a
hex2b915c

2855260 has 24 divisors (see below), whose sum is σ = 6027840. Its totient is φ = 1136064.

The previous prime is 2855257. The next prime is 2855261. The reversal of 2855260 is 625582.

2855260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855261) 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 7 ways as a sum of consecutive naturals, for example, 7146 + ... + 7534.

It is an arithmetic number, because the mean of its divisors is an integer number (251160).

22855260 is an apocalyptic number.

2855260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2855260 is an abundant number, since it is smaller than the sum of its proper divisors (3172580).

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

2855260 is a wasteful number, since it uses less digits than its factorization.

2855260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2855260 is about 1689.7514610143. The cubic root of 2855260 is about 141.8671640118.

The spelling of 2855260 in words is "two million, eight hundred fifty-five thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 367 389 734 778 1468 1556 1835 1945 3670 3890 7340 7780 142763 285526 571052 713815 1427630 2855260