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5686 = 22843
BaseRepresentation
bin1011000110110
321210121
41120312
5140221
642154
722402
oct13066
97717
105686
1142aa
12335a
132785
142102
151a41
hex1636

5686 has 4 divisors (see below), whose sum is σ = 8532. Its totient is φ = 2842.

The previous prime is 5683. The next prime is 5689. The reversal of 5686 is 6865.

5686 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6865 = 51373.

It is an interprime number because it is at equal distance from previous prime (5683) and next prime (5689).

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 5686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420 + ... + 1423.

It is an arithmetic number, because the mean of its divisors is an integer number (2133).

25686 is an apocalyptic number.

5686 is a deficient number, since it is larger than the sum of its proper divisors (2846).

5686 is a wasteful number, since it uses less digits than its factorization.

5686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845.

The product of its digits is 1440, while the sum is 25.

The square root of 5686 is about 75.4055700860. The cubic root of 5686 is about 17.8485230779.

The spelling of 5686 in words is "five thousand, six hundred eighty-six".

Divisors: 1 2 2843 5686