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2889 = 33107
BaseRepresentation
bin101101001001
310222000
4231021
543024
621213
711265
oct5511
93860
102889
112197
121809
131413
1410a5
15cc9
hexb49

2889 has 8 divisors (see below), whose sum is σ = 4320. Its totient is φ = 1908.

The previous prime is 2887. The next prime is 2897. The reversal of 2889 is 9882.

2889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2889 - 21 = 2887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 107 = 2889 / (2 + 8 + 8 + 9).

It is a Curzon number.

It is a plaindrome in base 10.

It is a nialpdrome in base 8 and base 15.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27 + ... + 80.

It is an arithmetic number, because the mean of its divisors is an integer number (540).

It is an amenable number.

2889 is a deficient number, since it is larger than the sum of its proper divisors (1431).

2889 is a wasteful number, since it uses less digits than its factorization.

2889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 110 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 2889 is about 53.7494186015. The cubic root of 2889 is about 14.2423781956.

Adding to 2889 its sum of digits (27), we get a square (2916 = 542).

The spelling of 2889 in words is "two thousand, eight hundred eighty-nine".

Divisors: 1 3 9 27 107 321 963 2889