Search a number
86713 = 117883
BaseRepresentation
bin10101001010111001
311101221121
4111022321
510233323
61505241
7510544
oct251271
9141847
1086713
115a170
1242221
1330613
142385b
151aa5d
hex152b9

86713 has 4 divisors (see below), whose sum is σ = 94608. Its totient is φ = 78820.

The previous prime is 86711. The next prime is 86719. The reversal of 86713 is 31768.

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 86713 - 21 = 86711 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (86711) 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, 3931 + ... + 3952.

It is an arithmetic number, because the mean of its divisors is an integer number (23652).

286713 is an apocalyptic number.

It is an amenable number.

86713 is a deficient number, since it is larger than the sum of its proper divisors (7895).

86713 is a wasteful number, since it uses less digits than its factorization.

86713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7894.

The product of its digits is 1008, while the sum is 25.

The square root of 86713 is about 294.4707116166. The cubic root of 86713 is about 44.2616979935.

Subtracting from 86713 its reverse (31768), we obtain a palindrome (54945).

The spelling of 86713 in words is "eighty-six thousand, seven hundred thirteen".

Divisors: 1 11 7883 86713