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3084857 is a prime number
BaseRepresentation
bin1011110001001000111001
312210201121222
423301020321
51242203412
6150041425
735135516
oct13611071
95721558
103084857
111817776
121049275
13840179
145a430d
1540e072
hex2f1239

3084857 has 2 divisors, whose sum is σ = 3084858. Its totient is φ = 3084856.

The previous prime is 3084847. The next prime is 3084869. The reversal of 3084857 is 7584803.

3084857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2835856 + 249001 = 1684^2 + 499^2 .

It is an emirp because it is prime and its reverse (7584803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3084857 - 218 = 2822713 is a prime.

It is not a weakly prime, because it can be changed into another prime (3084847) 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 as a sum of consecutive naturals, namely, 1542428 + 1542429.

It is an arithmetic number, because the mean of its divisors is an integer number (1542429).

Almost surely, 23084857 is an apocalyptic number.

It is an amenable number.

3084857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3084857 is an equidigital number, since it uses as much as digits as its factorization.

3084857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 3084857 is about 1756.3760986759. The cubic root of 3084857 is about 145.5721665439.

The spelling of 3084857 in words is "three million, eighty-four thousand, eight hundred fifty-seven".