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2287448641 is a prime number
BaseRepresentation
bin1000100001010111…
…1011001001000001
312220102020102122001
42020111323021001
514141041324031
61014551544001
7110453664322
oct21025731101
95812212561
102287448641
11a74229025
1253a08b001
132a5b9c20a
14179b22449
15d5c42861
hex8857b241

2287448641 has 2 divisors, whose sum is σ = 2287448642. Its totient is φ = 2287448640.

The previous prime is 2287448633. The next prime is 2287448749. The reversal of 2287448641 is 1468447822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1764000000 + 523448641 = 42000^2 + 22879^2 .

It is a cyclic number.

It is not a de Polignac number, because 2287448641 - 23 = 2287448633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2287448591 and 2287448600.

It is not a weakly prime, because it can be changed into another prime (2287448441) 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, 1143724320 + 1143724321.

It is an arithmetic number, because the mean of its divisors is an integer number (1143724321).

Almost surely, 22287448641 is an apocalyptic number.

It is an amenable number.

2287448641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287448641 is an equidigital number, since it uses as much as digits as its factorization.

2287448641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 688128, while the sum is 46.

The square root of 2287448641 is about 47827.2792556717. The cubic root of 2287448641 is about 1317.6006000570.

The spelling of 2287448641 in words is "two billion, two hundred eighty-seven million, four hundred forty-eight thousand, six hundred forty-one".