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5728279 is a prime number
BaseRepresentation
bin10101110110100000010111
3101210000201111
4111312200113
52431301104
6322435451
766455344
oct25664027
911700644
105728279
113262817
121b02b87
13125741b
14a917cb
15782404
hex576817

5728279 has 2 divisors, whose sum is σ = 5728280. Its totient is φ = 5728278.

The previous prime is 5728271. The next prime is 5728297. The reversal of 5728279 is 9728275.

Together with next prime (5728297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5728279 - 23 = 5728271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5728271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2864139 + 2864140.

It is an arithmetic number, because the mean of its divisors is an integer number (2864140).

Almost surely, 25728279 is an apocalyptic number.

5728279 is a deficient number, since it is larger than the sum of its proper divisors (1).

5728279 is an equidigital number, since it uses as much as digits as its factorization.

5728279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 40.

The square root of 5728279 is about 2393.3823346887. The cubic root of 5728279 is about 178.9265222803.

The spelling of 5728279 in words is "five million, seven hundred twenty-eight thousand, two hundred seventy-nine".