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505282849 is a prime number
BaseRepresentation
bin11110000111100…
…000000100100001
31022012210000202121
4132013200010201
52013323022344
6122045544241
715343555561
oct3607400441
91265700677
10505282849
1123a245535
12121275081
13808b4846
144b16cda1
152e55d684
hex1e1e0121

505282849 has 2 divisors, whose sum is σ = 505282850. Its totient is φ = 505282848.

The previous prime is 505282831. The next prime is 505282879. The reversal of 505282849 is 948282505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321951249 + 183331600 = 17943^2 + 13540^2 .

It is a cyclic number.

It is not a de Polignac number, because 505282849 - 225 = 471728417 is a prime.

It is not a weakly prime, because it can be changed into another prime (505282819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252641424 + 252641425.

It is an arithmetic number, because the mean of its divisors is an integer number (252641425).

Almost surely, 2505282849 is an apocalyptic number.

It is an amenable number.

505282849 is a deficient number, since it is larger than the sum of its proper divisors (1).

505282849 is an equidigital number, since it uses as much as digits as its factorization.

505282849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 505282849 is about 22478.4974809261. The cubic root of 505282849 is about 796.4860718386.

The spelling of 505282849 in words is "five hundred five million, two hundred eighty-two thousand, eight hundred forty-nine".