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6289 = 19331
BaseRepresentation
bin1100010010001
322121221
41202101
5200124
645041
724223
oct14221
98557
106289
1147a8
123781
132b2a
142413
151ce4
hex1891

6289 has 4 divisors (see below), whose sum is σ = 6640. Its totient is φ = 5940.

The previous prime is 6287. The next prime is 6299. The reversal of 6289 is 9826.

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 cyclic number.

It is not a de Polignac number, because 6289 - 21 = 6287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6287) 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 3 ways as a sum of consecutive naturals, for example, 147 + ... + 184.

It is an arithmetic number, because the mean of its divisors is an integer number (1660).

26289 is an apocalyptic number.

It is an amenable number.

6289 is a deficient number, since it is larger than the sum of its proper divisors (351).

6289 is a wasteful number, since it uses less digits than its factorization.

6289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350.

The product of its digits is 864, while the sum is 25.

The square root of 6289 is about 79.3032155716. The cubic root of 6289 is about 18.4583920029.

It can be divided in two parts, 62 and 89, that added together give a palindrome (151).

The spelling of 6289 in words is "six thousand, two hundred eighty-nine".

Divisors: 1 19 331 6289