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2893 = 11263
BaseRepresentation
bin101101001101
310222011
4231031
543033
621221
711302
oct5515
93864
102893
1121a0
121811
131417
1410a9
15ccd
hexb4d

2893 has 4 divisors (see below), whose sum is σ = 3168. Its totient is φ = 2620.

The previous prime is 2887. The next prime is 2897. The reversal of 2893 is 3982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2893 - 25 = 2861 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121 + ... + 142.

It is an arithmetic number, because the mean of its divisors is an integer number (792).

22893 is an apocalyptic number.

It is an amenable number.

2893 is a deficient number, since it is larger than the sum of its proper divisors (275).

2893 is a wasteful number, since it uses less digits than its factorization.

2893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274.

The product of its digits is 432, while the sum is 22.

The square root of 2893 is about 53.7866154354. The cubic root of 2893 is about 14.2489483168.

Subtracting 2893 from its reverse (3982), we obtain a square (1089 = 332).

It can be divided in two parts, 289 and 3, that added together give a palindrome (292).

The spelling of 2893 in words is "two thousand, eight hundred ninety-three".

Divisors: 1 11 263 2893