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575319989 is a prime number
BaseRepresentation
bin100010010010101…
…010111110110101
31111002120021122202
4202102222332311
52134240214424
6133031034245
720154065516
oct4222527665
91432507582
10575319989
11275831472
1214080b985
139226723a
14565a0a0d
15357952ae
hex224aafb5

575319989 has 2 divisors, whose sum is σ = 575319990. Its totient is φ = 575319988.

The previous prime is 575319973. The next prime is 575320013. The reversal of 575319989 is 989913575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362597764 + 212722225 = 19042^2 + 14585^2 .

It is a cyclic number.

It is not a de Polignac number, because 575319989 - 24 = 575319973 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (575319889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287659994 + 287659995.

It is an arithmetic number, because the mean of its divisors is an integer number (287659995).

Almost surely, 2575319989 is an apocalyptic number.

It is an amenable number.

575319989 is a deficient number, since it is larger than the sum of its proper divisors (1).

575319989 is an equidigital number, since it uses as much as digits as its factorization.

575319989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3061800, while the sum is 56.

The square root of 575319989 is about 23985.8289204272. The cubic root of 575319989 is about 831.7059743877.

The spelling of 575319989 in words is "five hundred seventy-five million, three hundred nineteen thousand, nine hundred eighty-nine".