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3085081 = 15120431
BaseRepresentation
bin1011110001001100011001
312210201221021
423301030121
51242210311
6150042441
735136256
oct13611431
95721837
103085081
11181795a
121049421
138402bc
145a442d
1540e171
hex2f1319

3085081 has 4 divisors (see below), whose sum is σ = 3105664. Its totient is φ = 3064500.

The previous prime is 3085073. The next prime is 3085123. The reversal of 3085081 is 1805803.

3085081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1805803 = 10916567.

It is a cyclic number.

It is not a de Polignac number, because 3085081 - 23 = 3085073 is a prime.

It is a super-2 number, since 2×30850812 = 19035449553122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3085001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10065 + ... + 10366.

It is an arithmetic number, because the mean of its divisors is an integer number (776416).

Almost surely, 23085081 is an apocalyptic number.

It is an amenable number.

3085081 is a deficient number, since it is larger than the sum of its proper divisors (20583).

3085081 is a wasteful number, since it uses less digits than its factorization.

3085081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20582.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 3085081 is about 1756.4398651818. The cubic root of 3085081 is about 145.5756899245.

The spelling of 3085081 in words is "three million, eighty-five thousand, eighty-one".

Divisors: 1 151 20431 3085081