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6249 = 32083
BaseRepresentation
bin1100001101001
322120110
41201221
5144444
644533
724135
oct14151
98513
106249
114771
123749
132ac9
1423c5
151cb9
hex1869

6249 has 4 divisors (see below), whose sum is σ = 8336. Its totient is φ = 4164.

The previous prime is 6247. The next prime is 6257. The reversal of 6249 is 9426.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a trimorphic number since its cube, 244023456249, ends in 6249.

It is not a de Polignac number, because 6249 - 21 = 6247 is a prime.

It is a d-powerful number, because it can be written as 64 + 46 + 27 + 93 .

It is a D-number.

It is a Duffinian number.

6249 is a lucky number.

It is a plaindrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (6247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (2084).

26249 is an apocalyptic number.

It is an amenable number.

6249 is a deficient number, since it is larger than the sum of its proper divisors (2087).

6249 is a wasteful number, since it uses less digits than its factorization.

6249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its digits is 432, while the sum is 21.

The square root of 6249 is about 79.0506166959. The cubic root of 6249 is about 18.4191750324.

It can be divided in two parts, 62 and 49, that added together give a palindrome (111).

The spelling of 6249 in words is "six thousand, two hundred forty-nine".

Divisors: 1 3 2083 6249