Search a number
-
+
448265369 is a prime number
BaseRepresentation
bin11010101101111…
…111110010011001
31011020111020111002
4122231333302121
51404223442434
6112251514345
714052123056
oct3255776231
91136436432
10448265369
11210041452
121061589b5
1371b402a6
144376a02d
152954957e
hex1ab7fc99

448265369 has 2 divisors, whose sum is σ = 448265370. Its totient is φ = 448265368.

The previous prime is 448265351. The next prime is 448265399. The reversal of 448265369 is 963562844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442681600 + 5583769 = 21040^2 + 2363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-448265369 is a prime.

It is a super-3 number, since 3×4482653693 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (448265339) 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, 224132684 + 224132685.

It is an arithmetic number, because the mean of its divisors is an integer number (224132685).

Almost surely, 2448265369 is an apocalyptic number.

It is an amenable number.

448265369 is a deficient number, since it is larger than the sum of its proper divisors (1).

448265369 is an equidigital number, since it uses as much as digits as its factorization.

448265369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 47.

The square root of 448265369 is about 21172.2783138707. The cubic root of 448265369 is about 765.3235244296.

The spelling of 448265369 in words is "four hundred forty-eight million, two hundred sixty-five thousand, three hundred sixty-nine".