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2448848221 is a prime number
BaseRepresentation
bin1001000111110110…
…0111010101011101
320022122221101020021
42101331213111131
520003401120341
61042555152141
7114453603121
oct22175472535
96278841207
102448848221
111047346a06
12584145651
1330045ca21
14193337581
15e4ec49d1
hex91f6755d

2448848221 has 2 divisors, whose sum is σ = 2448848222. Its totient is φ = 2448848220.

The previous prime is 2448848209. The next prime is 2448848251. The reversal of 2448848221 is 1228488442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1579188121 + 869660100 = 39739^2 + 29490^2 .

It is a cyclic number.

It is not a de Polignac number, because 2448848221 - 231 = 301364573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2448848201) 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, 1224424110 + 1224424111.

It is an arithmetic number, because the mean of its divisors is an integer number (1224424111).

Almost surely, 22448848221 is an apocalyptic number.

It is an amenable number.

2448848221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2448848221 is an equidigital number, since it uses as much as digits as its factorization.

2448848221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262144, while the sum is 43.

The square root of 2448848221 is about 49485.8385904493. The cubic root of 2448848221 is about 1347.8884633080. Note that the first 3 decimals are identical.

The spelling of 2448848221 in words is "two billion, four hundred forty-eight million, eight hundred forty-eight thousand, two hundred twenty-one".