Search a number
6697 = 37181
BaseRepresentation
bin1101000101001
3100012001
41220221
5203242
651001
725345
oct15051
910161
106697
115039
123a61
133082
142625
151eb7
hex1a29

6697 has 4 divisors (see below), whose sum is σ = 6916. Its totient is φ = 6480.

The previous prime is 6691. The next prime is 6701. The reversal of 6697 is 7966.

6697 is nontrivially palindromic in base 4 and base 8.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2601 + 4096 = 51^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 6697 - 23 = 6689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6691) 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, 54 + ... + 127.

It is an arithmetic number, because the mean of its divisors is an integer number (1729).

It is an amenable number.

6697 is a deficient number, since it is larger than the sum of its proper divisors (219).

6697 is a wasteful number, since it uses less digits than its factorization.

6697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218.

The product of its digits is 2268, while the sum is 28.

The square root of 6697 is about 81.8352002503. The cubic root of 6697 is about 18.8492221534.

It can be divided in two parts, 669 and 7, that added together give a palindrome (676).

The spelling of 6697 in words is "six thousand, six hundred ninety-seven".

Divisors: 1 37 181 6697