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448513841 is a prime number
BaseRepresentation
bin11010101110111…
…100011100110001
31011020221212022202
4122232330130301
51404304420331
6112301112545
714054206346
oct3256743461
91136855282
10448513841
112101a10a6
12106258755
1371bc9409
14437d27cd
1529597ecb
hex1abbc731

448513841 has 2 divisors, whose sum is σ = 448513842. Its totient is φ = 448513840.

The previous prime is 448513789. The next prime is 448513843. The reversal of 448513841 is 148315844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398401600 + 50112241 = 19960^2 + 7079^2 .

It is a cyclic number.

It is not a de Polignac number, because 448513841 - 218 = 448251697 is a prime.

It is a Sophie Germain prime.

Together with 448513843, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 448513795 and 448513804.

It is not a weakly prime, because it can be changed into another prime (448513843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224256920 + 224256921.

It is an arithmetic number, because the mean of its divisors is an integer number (224256921).

Almost surely, 2448513841 is an apocalyptic number.

It is an amenable number.

448513841 is a deficient number, since it is larger than the sum of its proper divisors (1).

448513841 is an equidigital number, since it uses as much as digits as its factorization.

448513841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 38.

The square root of 448513841 is about 21178.1453626138. The cubic root of 448513841 is about 765.4649037371.

The spelling of 448513841 in words is "four hundred forty-eight million, five hundred thirteen thousand, eight hundred forty-one".