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6872 = 23859
BaseRepresentation
bin1101011011000
3100102112
41223120
5204442
651452
726015
oct15330
910375
106872
115188
123b88
133188
14270c
152082
hex1ad8

6872 has 8 divisors (see below), whose sum is σ = 12900. Its totient is φ = 3432.

The previous prime is 6871. The next prime is 6883. The reversal of 6872 is 2786.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6871) 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, 422 + ... + 437.

26872 is an apocalyptic number.

It is an amenable number.

6872 is a deficient number, since it is larger than the sum of its proper divisors (6028).

6872 is a wasteful number, since it uses less digits than its factorization.

6872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 861 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 6872 is about 82.8975271043. The cubic root of 6872 is about 19.0119961178.

It can be divided in two parts, 6 and 872, that added together give a palindrome (878).

The spelling of 6872 in words is "six thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 859 1718 3436 6872