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2108 = 221731
BaseRepresentation
bin100000111100
32220002
4200330
531413
613432
76101
oct4074
92802
102108
111647
121278
13c62
14aa8
15958
hex83c

2108 has 12 divisors (see below), whose sum is σ = 4032. Its totient is φ = 960.

The previous prime is 2099. The next prime is 2111. The reversal of 2108 is 8012.

2108 = 22 + 32 + ... + 182.

2108 is nontrivially palindromic in base 5.

It is a plaindrome in base 12.

It is a nialpdrome in base 13 and base 14.

It is a congruent number.

It is an unprimeable number.

2108 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 83.

It is an arithmetic number, because the mean of its divisors is an integer number (336).

It is an amenable number.

2108 is a deficient number, since it is larger than the sum of its proper divisors (1924).

2108 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (2107) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (50).

2108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2108 is about 45.9129611330. The cubic root of 2108 is about 12.8220323669.

It can be divided in two parts, 2 and 108, that multiplied together give a cube (216 = 63).

The spelling of 2108 in words is "two thousand, one hundred eight".

Divisors: 1 2 4 17 31 34 62 68 124 527 1054 2108