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50644313 is a prime number
BaseRepresentation
bin1100000100110…
…0010101011001
310112021222221022
43001030111121
5100431104223
65005252225
71153320026
oct301142531
9115258838
1050644313
1126650905
1214b64075
13a652765
146a2454d
1546a5ac8
hex304c559

50644313 has 2 divisors, whose sum is σ = 50644314. Its totient is φ = 50644312.

The previous prime is 50644301. The next prime is 50644331. The reversal of 50644313 is 31344605.

Together with next prime (50644331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47997184 + 2647129 = 6928^2 + 1627^2 .

It is a cyclic number.

It is not a de Polignac number, because 50644313 - 26 = 50644249 is a prime.

It is not a weakly prime, because it can be changed into another prime (50641313) 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, 25322156 + 25322157.

It is an arithmetic number, because the mean of its divisors is an integer number (25322157).

Almost surely, 250644313 is an apocalyptic number.

It is an amenable number.

50644313 is a deficient number, since it is larger than the sum of its proper divisors (1).

50644313 is an equidigital number, since it uses as much as digits as its factorization.

50644313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 50644313 is about 7116.4817852644. The cubic root of 50644313 is about 369.9788470985.

Adding to 50644313 its reverse (31344605), we get a palindrome (81988918).

The spelling of 50644313 in words is "fifty million, six hundred forty-four thousand, three hundred thirteen".