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2655 = 32559
BaseRepresentation
bin101001011111
310122100
4221133
541110
620143
710512
oct5137
93570
102655
111aa4
121653
131293
14d79
15bc0
hexa5f

2655 has 12 divisors (see below), whose sum is σ = 4680. Its totient is φ = 1392.

The previous prime is 2647. The next prime is 2657. The reversal of 2655 is 5562.

It can be divided in two parts, 26 and 55, that added together give a 4-th power (81 = 34).

2655 = 212 + 222 + ... + 252.

It is not a de Polignac number, because 2655 - 23 = 2647 is a prime.

It is a nialpdrome in base 5.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16 + ... + 74.

It is an arithmetic number, because the mean of its divisors is an integer number (390).

22655 is an apocalyptic number.

2655 is a deficient number, since it is larger than the sum of its proper divisors (2025).

2655 is a wasteful number, since it uses less digits than its factorization.

2655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 67 counting only the distinct ones).

The product of its digits is 300, while the sum is 18.

The square root of 2655 is about 51.5266921120. The cubic root of 2655 is about 13.8469728860.

The spelling of 2655 in words is "two thousand, six hundred fifty-five".

Divisors: 1 3 5 9 15 45 59 177 295 531 885 2655