2908

2908 is the natural number that follows 2907 and precedes 2909. It is an even composite number with prime factorization 2^2 × 727, so its divisors are 1, 2, 4, 727, 1454, and 2908. The sum of its divisors is 5096, and the sum of proper divisors is 2188. The Euler totient function gives φ(2908) = 1452.

As 2908 = 4 × 727 and 727 is a prime congruent to 3 modulo 4, 2908 cannot be expressed as a sum of two squares. In modular arithmetic, 2908 is congruent to 0 modulo 4 and to 1 modulo 9.

Binary and hexadecimal representations include 101101011100 in base 2 and B5C in base 16. These alternate bases highlight common ways to express integers in computer science and digital contexts.

In general usage, 2908 has no widely recorded mathematical or cultural significance beyond its role as a four-digit even composite number. It serves as a representative example of a number with a simple factorization, a modest number of divisors, and standard base representations.

See also: 2908 (disambiguation) for any other uses of the designation 2908.