Search a number
-
+
50071321 is a prime number
BaseRepresentation
bin1011111100000…
…0011100011001
310111012212221101
42333000130121
5100304240241
64545111401
71145412346
oct277003431
9114185841
1050071321
112629a363
1214928561
13a4b1a01
1469157cd
1545e0e31
hex2fc0719

50071321 has 2 divisors, whose sum is σ = 50071322. Its totient is φ = 50071320.

The previous prime is 50071319. The next prime is 50071337. The reversal of 50071321 is 12317005.

50071321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43414921 + 6656400 = 6589^2 + 2580^2 .

It is a cyclic number.

It is not a de Polignac number, because 50071321 - 21 = 50071319 is a prime.

Together with 50071319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50071361) 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, 25035660 + 25035661.

It is an arithmetic number, because the mean of its divisors is an integer number (25035661).

Almost surely, 250071321 is an apocalyptic number.

It is an amenable number.

50071321 is a deficient number, since it is larger than the sum of its proper divisors (1).

50071321 is an equidigital number, since it uses as much as digits as its factorization.

50071321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 50071321 is about 7076.1091710063. The cubic root of 50071321 is about 368.5782325170.

Adding to 50071321 its reverse (12317005), we get a palindrome (62388326).

It can be divided in two parts, 5007 and 1321, that added together give a triangular number (6328 = T112).

The spelling of 50071321 in words is "fifty million, seventy-one thousand, three hundred twenty-one".