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3085 = 5617
BaseRepresentation
bin110000001101
311020021
4300031
544320
622141
711665
oct6015
94207
103085
112355
121951
131534
1411a5
15daa
hexc0d

3085 has 4 divisors (see below), whose sum is σ = 3708. Its totient is φ = 2464.

The previous prime is 3083. The next prime is 3089. The reversal of 3085 is 5803.

Adding to 3085 its reverse (5803), we get a palindrome (8888).

It can be divided in two parts, 308 and 5, that multiplied together give a triangular number (1540 = T55).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5803 = 7829.

It can be written as a sum of positive squares in 2 ways, for example, as 484 + 2601 = 22^2 + 51^2 .

It is a cyclic number.

It is not a de Polignac number, because 3085 - 21 = 3083 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a nialpdrome in base 5 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304 + ... + 313.

It is an arithmetic number, because the mean of its divisors is an integer number (927).

It is an amenable number.

3085 is a deficient number, since it is larger than the sum of its proper divisors (623).

3085 is an equidigital number, since it uses as much as digits as its factorization.

3085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3085 is about 55.5427763080. The cubic root of 3085 is about 14.5574415865.

The spelling of 3085 in words is "three thousand, eighty-five".

Divisors: 1 5 617 3085