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3065 = 5613
BaseRepresentation
bin101111111001
311012112
4233321
544230
622105
711636
oct5771
94175
103065
112337
121935
13151a
14118d
15d95
hexbf9

3065 has 4 divisors (see below), whose sum is σ = 3684. Its totient is φ = 2448.

The previous prime is 3061. The next prime is 3067. The reversal of 3065 is 5603.

Adding to 3065 its reverse (5603), we get a palindrome (8668).

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5603 = 13431.

It can be written as a sum of positive squares in 2 ways, for example, as 361 + 2704 = 19^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 3065 - 22 = 3061 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 11 and base 14.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (3061) 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, 302 + ... + 311.

It is an arithmetic number, because the mean of its divisors is an integer number (921).

23065 is an apocalyptic number.

It is an amenable number.

3065 is a deficient number, since it is larger than the sum of its proper divisors (619).

3065 is an equidigital number, since it uses as much as digits as its factorization.

3065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 3065 is about 55.3624421427. The cubic root of 3065 is about 14.5259148141.

The spelling of 3065 in words is "three thousand, sixty-five".

Divisors: 1 5 613 3065