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4869 = 32541
BaseRepresentation
bin1001100000101
320200100
41030011
5123434
634313
720124
oct11405
96610
104869
113727
122999
1322a7
141abb
151699
hex1305

4869 has 6 divisors (see below), whose sum is σ = 7046. Its totient is φ = 3240.

The previous prime is 4861. The next prime is 4871. The reversal of 4869 is 9684.

4869 is an esthetic number in base 5, because in such base it adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 3969 + 900 = 63^2 + 30^2 .

It is not a de Polignac number, because 4869 - 23 = 4861 is a prime.

It is a super-2 number, since 2×48692 = 47414322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 46 + 62 + 8 + 93 .

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 12, base 14 and base 15.

It is a nialpdrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4869.

It is not an unprimeable number, because it can be changed into a prime (4861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262 + ... + 279.

24869 is an apocalyptic number.

It is an amenable number.

4869 is a deficient number, since it is larger than the sum of its proper divisors (2177).

4869 is a wasteful number, since it uses less digits than its factorization.

4869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 544 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 4869 is about 69.7782200977. The cubic root of 4869 is about 16.9490980281.

The spelling of 4869 in words is "four thousand, eight hundred sixty-nine".

Divisors: 1 3 9 541 1623 4869