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2804313 = 3934771
BaseRepresentation
bin1010101100101001011001
312021110210110
422230221121
51204214223
6140034533
732556561
oct12545131
95243713
102804313
111645a16
12b32a49
13772575
1452dda1
153a5d93
hex2aca59

2804313 has 4 divisors (see below), whose sum is σ = 3739088. Its totient is φ = 1869540.

The previous prime is 2804311. The next prime is 2804323. The reversal of 2804313 is 3134082.

It is a happy number.

2804313 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 not a de Polignac number, because 2804313 - 21 = 2804311 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2804313.

It is not an unprimeable number, because it can be changed into a prime (2804311) 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, 467383 + ... + 467388.

It is an arithmetic number, because the mean of its divisors is an integer number (934772).

22804313 is an apocalyptic number.

It is an amenable number.

2804313 is a deficient number, since it is larger than the sum of its proper divisors (934775).

2804313 is an equidigital number, since it uses as much as digits as its factorization.

2804313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934774.

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

The square root of 2804313 is about 1674.6083124122. The cubic root of 2804313 is about 141.0183065613.

Adding to 2804313 its reverse (3134082), we get a palindrome (5938395).

The spelling of 2804313 in words is "two million, eight hundred four thousand, three hundred thirteen".

Divisors: 1 3 934771 2804313