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3085245749 is a prime number
BaseRepresentation
bin1011011111100101…
…0001110100110101
321222000102201112002
42313321101310311
522304310330444
61230051305045
7136312104365
oct26771216465
97860381462
103085245749
1113435a4883
127212ab185
133a2260501
14213a769a5
15130cd1d4e
hexb7e51d35

3085245749 has 2 divisors, whose sum is σ = 3085245750. Its totient is φ = 3085245748.

The previous prime is 3085245733. The next prime is 3085245773. The reversal of 3085245749 is 9475425803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3085024849 + 220900 = 55543^2 + 470^2 .

It is an emirp because it is prime and its reverse (9475425803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3085245749 - 24 = 3085245733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3085245049) 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, 1542622874 + 1542622875.

It is an arithmetic number, because the mean of its divisors is an integer number (1542622875).

Almost surely, 23085245749 is an apocalyptic number.

It is an amenable number.

3085245749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3085245749 is an equidigital number, since it uses as much as digits as its factorization.

3085245749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The square root of 3085245749 is about 55544.9885138164. The cubic root of 3085245749 is about 1455.7828121492.

The spelling of 3085245749 in words is "three billion, eighty-five million, two hundred forty-five thousand, seven hundred forty-nine".