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4887 = 33181
BaseRepresentation
bin1001100010111
320201000
41030113
5124022
634343
720151
oct11427
96630
104887
113743
1229b3
1322bc
1516ac
hex1317

4887 has 8 divisors (see below), whose sum is σ = 7280. Its totient is φ = 3240.

The previous prime is 4877. The next prime is 4889. The reversal of 4887 is 7884.

It is a happy number.

4887 is nontrivially palindromic in base 6.

4887 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 4887 - 24 = 4871 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: 181 = 4887 / (4 + 8 + 8 + 7).

It is a Duffinian number.

4887 is an undulating number in base 6.

4887 is a lucky number.

It is a plaindrome in base 13 and base 15.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 4887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4889) 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 7 ways as a sum of consecutive naturals, for example, 64 + ... + 117.

It is an arithmetic number, because the mean of its divisors is an integer number (910).

24887 is an apocalyptic number.

4887 is a deficient number, since it is larger than the sum of its proper divisors (2393).

4887 is a wasteful number, since it uses less digits than its factorization.

4887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 184 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 4887 is about 69.9070811864. The cubic root of 4887 is about 16.9699584775.

4887 divided by its sum of digits (27) gives a palindrome (181).

The spelling of 4887 in words is "four thousand, eight hundred eighty-seven".

Divisors: 1 3 9 27 181 543 1629 4887