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86039 = 97887
BaseRepresentation
bin10101000000010111
311101000122
4111000113
510223124
61502155
7505562
oct250027
9141018
1086039
1159708
124195b
1330215
14234d9
151a75e
hex15017

86039 has 4 divisors (see below), whose sum is σ = 87024. Its totient is φ = 85056.

The previous prime is 86029. The next prime is 86069. The reversal of 86039 is 93068.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86039 - 212 = 81943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85999 and 86017.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86039.

It is not an unprimeable number, because it can be changed into a prime (86029) 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 in 3 ways as a sum of consecutive naturals, for example, 347 + ... + 540.

It is an arithmetic number, because the mean of its divisors is an integer number (21756).

286039 is an apocalyptic number.

86039 is a deficient number, since it is larger than the sum of its proper divisors (985).

86039 is an equidigital number, since it uses as much as digits as its factorization.

86039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 86039 is about 293.3240528835. The cubic root of 86039 is about 44.1467209491.

The spelling of 86039 in words is "eighty-six thousand, thirty-nine".

Divisors: 1 97 887 86039