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3243081 = 31081027
BaseRepresentation
bin1100010111110001001001
320002202200010
430113301021
51312234311
6153302133
736365022
oct14276111
96082603
103243081
111915636
121104949
138971aa
14605c49
15440da6
hex317c49

3243081 has 4 divisors (see below), whose sum is σ = 4324112. Its totient is φ = 2162052.

The previous prime is 3243061. The next prime is 3243101. The reversal of 3243081 is 1803423.

It is a happy number.

3243081 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.

It is an interprime number because it is at equal distance from previous prime (3243061) and next prime (3243101).

It is not a de Polignac number, because 3243081 - 25 = 3243049 is a prime.

It is a super-2 number, since 2×32430812 = 21035148745122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3243061) 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, 540511 + ... + 540516.

It is an arithmetic number, because the mean of its divisors is an integer number (1081028).

Almost surely, 23243081 is an apocalyptic number.

It is an amenable number.

3243081 is a deficient number, since it is larger than the sum of its proper divisors (1081031).

3243081 is a wasteful number, since it uses less digits than its factorization.

3243081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081030.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3243081 is about 1800.8556299715. The cubic root of 3243081 is about 148.0196133004.

The spelling of 3243081 in words is "three million, two hundred forty-three thousand, eighty-one".

Divisors: 1 3 1081027 3243081