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448382813 is a prime number
BaseRepresentation
bin11010101110011…
…100011101011101
31011020201012120212
4122232130131131
51404241222223
6112254222205
714053122344
oct3256343535
91136635525
10448382813
1121011170a
121061b4965
1371b81898
144379ab5b
152956e278
hex1ab9c75d

448382813 has 2 divisors, whose sum is σ = 448382814. Its totient is φ = 448382812.

The previous prime is 448382783. The next prime is 448382819. The reversal of 448382813 is 318283844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276956164 + 171426649 = 16642^2 + 13093^2 .

It is a cyclic number.

It is not a de Polignac number, because 448382813 - 216 = 448317277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448382819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224191406 + 224191407.

It is an arithmetic number, because the mean of its divisors is an integer number (224191407).

Almost surely, 2448382813 is an apocalyptic number.

It is an amenable number.

448382813 is a deficient number, since it is larger than the sum of its proper divisors (1).

448382813 is an equidigital number, since it uses as much as digits as its factorization.

448382813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 41.

The square root of 448382813 is about 21175.0516646359. The cubic root of 448382813 is about 765.3903559790.

The spelling of 448382813 in words is "four hundred forty-eight million, three hundred eighty-two thousand, eight hundred thirteen".