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15085 = 57431
BaseRepresentation
bin11101011101101
3202200201
43223231
5440320
6153501
761660
oct35355
922621
1015085
1110374
128891
136b35
1456d7
15470a
hex3aed

15085 has 8 divisors (see below), whose sum is σ = 20736. Its totient is φ = 10320.

The previous prime is 15083. The next prime is 15091. The reversal of 15085 is 58051.

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

It is not a de Polignac number, because 15085 - 21 = 15083 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 (15083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181 + ... + 250.

It is an arithmetic number, because the mean of its divisors is an integer number (2592).

215085 is an apocalyptic number.

It is an amenable number.

15085 is a deficient number, since it is larger than the sum of its proper divisors (5651).

15085 is an equidigital number, since it uses as much as digits as its factorization.

15085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 15085 is about 122.8210079750. The cubic root of 15085 is about 24.7086170331.

The spelling of 15085 in words is "fifteen thousand, eighty-five".

Divisors: 1 5 7 35 431 2155 3017 15085