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485441569 is a prime number
BaseRepresentation
bin11100111011110…
…100000000100001
31020211102222122101
4130323310000201
51443233112234
6120100410401
715013120354
oct3473640041
91224388571
10485441569
1122a023488
121166a6a01
1379758742
144868629b
152c93e814
hex1cef4021

485441569 has 2 divisors, whose sum is σ = 485441570. Its totient is φ = 485441568.

The previous prime is 485441531. The next prime is 485441603. The reversal of 485441569 is 965144584.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298080225 + 187361344 = 17265^2 + 13688^2 .

It is a cyclic number.

It is not a de Polignac number, because 485441569 - 29 = 485441057 is a prime.

It is a super-2 number, since 2×4854415692 = 471307033826363522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (485442569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242720784 + 242720785.

It is an arithmetic number, because the mean of its divisors is an integer number (242720785).

Almost surely, 2485441569 is an apocalyptic number.

It is an amenable number.

485441569 is a deficient number, since it is larger than the sum of its proper divisors (1).

485441569 is an equidigital number, since it uses as much as digits as its factorization.

485441569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 46.

The square root of 485441569 is about 22032.7385724063. The cubic root of 485441569 is about 785.9211704984.

The spelling of 485441569 in words is "four hundred eighty-five million, four hundred forty-one thousand, five hundred sixty-nine".