Search a number
-
+
2887 is a prime number
BaseRepresentation
bin101101000111
310221221
4231013
543022
621211
711263
oct5507
93857
102887
112195
121807
131411
1410a3
15cc7
hexb47

2887 has 2 divisors, whose sum is σ = 2888. Its totient is φ = 2886.

The previous prime is 2879. The next prime is 2897. The reversal of 2887 is 7882.

Subtracting from 2887 its product of digits (896), we obtain a palindrome (1991).

It can be divided in two parts, 288 and 7, that multiplied together give a triangular number (2016 = T63).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2887 - 23 = 2879 is a prime.

2887 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2837) 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 as a sum of consecutive naturals, namely, 1443 + 1444.

It is an arithmetic number, because the mean of its divisors is an integer number (1444).

22887 is an apocalyptic number.

2887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2887 is an equidigital number, since it uses as much as digits as its factorization.

2887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 25.

The square root of 2887 is about 53.7308105280. The cubic root of 2887 is about 14.2390908606.

The spelling of 2887 in words is "two thousand, eight hundred eighty-seven".