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2056894589 is a prime number
BaseRepresentation
bin111101010011001…
…1011100001111101
312022100102001221002
41322212123201331
513203031111324
6540034220045
7101654213141
oct17246334175
95270361832
102056894589
11966077392
12494a24625
1326a1a79b9
14157269221
15c08a03ae
hex7a99b87d

2056894589 has 2 divisors, whose sum is σ = 2056894590. Its totient is φ = 2056894588.

The previous prime is 2056894579. The next prime is 2056894621. The reversal of 2056894589 is 9854986502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1164856900 + 892037689 = 34130^2 + 29867^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056894589 - 216 = 2056829053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056894559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028447294 + 1028447295.

It is an arithmetic number, because the mean of its divisors is an integer number (1028447295).

Almost surely, 22056894589 is an apocalyptic number.

It is an amenable number.

2056894589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056894589 is an equidigital number, since it uses as much as digits as its factorization.

2056894589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The square root of 2056894589 is about 45352.9997795074. Note that the first 3 decimals coincide. The cubic root of 2056894589 is about 1271.7566343888.

The spelling of 2056894589 in words is "two billion, fifty-six million, eight hundred ninety-four thousand, five hundred eighty-nine".