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2804734321 is a prime number
BaseRepresentation
bin1010011100101100…
…1101100101110001
321020110121021011221
42213023031211301
521221002444241
61142151105041
7126334563664
oct24713154561
97213537157
102804734321
11120a221454
12663372181
133590c710c
141c86d76db
151163725d1
hexa72cd971

2804734321 has 2 divisors, whose sum is σ = 2804734322. Its totient is φ = 2804734320.

The previous prime is 2804734277. The next prime is 2804734327. The reversal of 2804734321 is 1234374082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2617345600 + 187388721 = 51160^2 + 13689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2804734321 is a prime.

It is a super-2 number, since 2×28047343212 = 15733069222790662082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2804734327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402367160 + 1402367161.

It is an arithmetic number, because the mean of its divisors is an integer number (1402367161).

Almost surely, 22804734321 is an apocalyptic number.

It is an amenable number.

2804734321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2804734321 is an equidigital number, since it uses as much as digits as its factorization.

2804734321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 2804734321 is about 52959.7424559448. The cubic root of 2804734321 is about 1410.2536842143.

The spelling of 2804734321 in words is "two billion, eight hundred four million, seven hundred thirty-four thousand, three hundred twenty-one".