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2804227897 is a prime number
BaseRepresentation
bin1010011100100101…
…0001111100111001
321020102122112111111
42213021101330321
521220340243042
61142132200321
7126330354352
oct24711217471
97212575444
102804227897
111209a05a19
126631690a1
13358c7a763
141c8604d29
151162c2517
hexa7251f39

2804227897 has 2 divisors, whose sum is σ = 2804227898. Its totient is φ = 2804227896.

The previous prime is 2804227883. The next prime is 2804227903. The reversal of 2804227897 is 7987224082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2398648576 + 405579321 = 48976^2 + 20139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2804227897 - 223 = 2795839289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2804227897.

It is not a weakly prime, because it can be changed into another prime (2804227807) 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, 1402113948 + 1402113949.

It is an arithmetic number, because the mean of its divisors is an integer number (1402113949).

Almost surely, 22804227897 is an apocalyptic number.

It is an amenable number.

2804227897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2804227897 is an equidigital number, since it uses as much as digits as its factorization.

2804227897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 2804227897 is about 52954.9610234962. The cubic root of 2804227897 is about 1410.1688004405.

The spelling of 2804227897 in words is "two billion, eight hundred four million, two hundred twenty-seven thousand, eight hundred ninety-seven".