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2488581749 is a prime number
BaseRepresentation
bin1001010001010100…
…1011111001110101
320102102201001101102
42110111023321311
520044034103444
61050534535445
7115445411243
oct22425137165
96372631342
102488581749
111067815335
12595507585
133087621a4
1419871b793
15e872284e
hex9454be75

2488581749 has 2 divisors, whose sum is σ = 2488581750. Its totient is φ = 2488581748.

The previous prime is 2488581731. The next prime is 2488581793. The reversal of 2488581749 is 9471858842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2337045649 + 151536100 = 48343^2 + 12310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2488581749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2488581694 and 2488581703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2488581049) 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, 1244290874 + 1244290875.

It is an arithmetic number, because the mean of its divisors is an integer number (1244290875).

Almost surely, 22488581749 is an apocalyptic number.

It is an amenable number.

2488581749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2488581749 is an equidigital number, since it uses as much as digits as its factorization.

2488581749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5160960, while the sum is 56.

The square root of 2488581749 is about 49885.6868149573. The cubic root of 2488581749 is about 1355.1393944365.

The spelling of 2488581749 in words is "two billion, four hundred eighty-eight million, five hundred eighty-one thousand, seven hundred forty-nine".