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2448881 is a prime number
BaseRepresentation
bin1001010101110111110001
311121102020022
421111313301
51111331011
6124253225
726546411
oct11256761
94542208
102448881
111422976
129a1215
13679856
1447a641
153358db
hex255df1

2448881 has 2 divisors, whose sum is σ = 2448882. Its totient is φ = 2448880.

The previous prime is 2448877. The next prime is 2448883. The reversal of 2448881 is 1888442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1478656 + 970225 = 1216^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2448881 - 22 = 2448877 is a prime.

It is a super-2 number, since 2×24488812 = 11994036304322, which contains 22 as substring.

Together with 2448883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2448883) 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, 1224440 + 1224441.

It is an arithmetic number, because the mean of its divisors is an integer number (1224441).

22448881 is an apocalyptic number.

It is an amenable number.

2448881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2448881 is an equidigital number, since it uses as much as digits as its factorization.

2448881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16384, while the sum is 35.

The square root of 2448881 is about 1564.8900919873. The cubic root of 2448881 is about 134.7894477324.

The spelling of 2448881 in words is "two million, four hundred forty-eight thousand, eight hundred eighty-one".