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86005 = 5103167
BaseRepresentation
bin10100111111110101
311100222101
4110333311
510223010
61502101
7505513
oct247765
9140871
1086005
1159687
1241931
13301ba
14234b3
151a73a
hex14ff5

86005 has 8 divisors (see below), whose sum is σ = 104832. Its totient is φ = 67728.

The previous prime is 85999. The next prime is 86011. The reversal of 86005 is 50068.

It is an interprime number because it is at equal distance from previous prime (85999) and next prime (86011).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86005 - 213 = 77813 is a prime.

It is a Duffinian number.

86005 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432 + ... + 598.

It is an arithmetic number, because the mean of its divisors is an integer number (13104).

286005 is an apocalyptic number.

It is an amenable number.

86005 is a deficient number, since it is larger than the sum of its proper divisors (18827).

86005 is a wasteful number, since it uses less digits than its factorization.

86005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 86005 is about 293.2660907776. The cubic root of 86005 is about 44.1409050352.

Subtracting from 86005 its reverse (50068), we obtain a cube (35937 = 333).

The spelling of 86005 in words is "eighty-six thousand, five".

Divisors: 1 5 103 167 515 835 17201 86005