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7117 = 11647

7117 has 4 divisors (see below), whose sum is σ = 7776. Its totient is φ = 6460.

The previous prime is 7109. The next prime is 7121.

It can be divided in two parts, 71 and 17, that added together give a palindrome (88).

It is a happy number.

7117 is nontrivially palindromic in base 10.

7117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7117 - 23 = 7109 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 7117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7127) 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, 313 + ... + 334.

It is an arithmetic number, because the mean of its divisors is an integer number (1944).

27117 is an apocalyptic number.

It is an amenable number.

7117 is a deficient number, since it is larger than the sum of its proper divisors (659).

7117 is a wasteful number, since it uses less digits than its factorization.

7117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its digits is 49, while the sum is 16.

The square root of 7117 is about 84.3623138611. The cubic root of 7117 is about 19.2353010858.

The spelling of 7117 in words is "seven thousand, one hundred seventeen", and thus it is an iban number.

Divisors: 1 11 647 7117