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BaseRepresentation
bin10101000000011111
311101000221
4111000133
510223142
61502211
7505603
oct250037
9141027
1086047
1159715
1241967
1330220
1423503
151a767
hex1501f

86047 has 4 divisors (see below), whose sum is σ = 92680. Its totient is φ = 79416.

The previous prime is 86029. The next prime is 86069. The reversal of 86047 is 74068.

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 86047 - 215 = 53279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86017) 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, 3297 + ... + 3322.

It is an arithmetic number, because the mean of its divisors is an integer number (23170).

286047 is an apocalyptic number.

86047 is a deficient number, since it is larger than the sum of its proper divisors (6633).

86047 is a wasteful number, since it uses less digits than its factorization.

86047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 86047 is about 293.3376893616. The cubic root of 86047 is about 44.1480891768.

The spelling of 86047 in words is "eighty-six thousand, forty-seven".

Divisors: 1 13 6619 86047