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2668 = 222329
BaseRepresentation
bin101001101100
310122211
4221230
541133
620204
710531
oct5154
93584
102668
112006
121664
1312a3
14d88
15bcd
hexa6c

2668 has 12 divisors (see below), whose sum is σ = 5040. Its totient is φ = 1232.

The previous prime is 2663. The next prime is 2671. The reversal of 2668 is 8662.

2668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2668 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

It is a plaindrome in base 10 and base 15.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78 + ... + 106.

It is an arithmetic number, because the mean of its divisors is an integer number (420).

22668 is an apocalyptic number.

It is an amenable number.

2668 is a deficient number, since it is larger than the sum of its proper divisors (2372).

2668 is a wasteful number, since it uses less digits than its factorization.

2668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 54 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 2668 is about 51.6526862806. The cubic root of 2668 is about 13.8695363062.

The spelling of 2668 in words is "two thousand, six hundred sixty-eight".

Divisors: 1 2 4 23 29 46 58 92 116 667 1334 2668