Search a number
-
+
47201513 is a prime number
BaseRepresentation
bin1011010000001…
…1110011101001
310021211002022012
42310003303221
544040422023
64403405305
71112130512
oct264036351
9107732265
1047201513
112470a217
1213983835
139a186b8
1463a9a09
154225978
hex2d03ce9

47201513 has 2 divisors, whose sum is σ = 47201514. Its totient is φ = 47201512.

The previous prime is 47201509. The next prime is 47201521. The reversal of 47201513 is 31510274.

47201513 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., 41306329 + 5895184 = 6427^2 + 2428^2 .

It is a cyclic number.

It is not a de Polignac number, because 47201513 - 22 = 47201509 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47201533) 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, 23600756 + 23600757.

It is an arithmetic number, because the mean of its divisors is an integer number (23600757).

Almost surely, 247201513 is an apocalyptic number.

It is an amenable number.

47201513 is a deficient number, since it is larger than the sum of its proper divisors (1).

47201513 is an equidigital number, since it uses as much as digits as its factorization.

47201513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 47201513 is about 6870.3357268768. The cubic root of 47201513 is about 361.3976353257.

Adding to 47201513 its reverse (31510274), we get a palindrome (78711787).

The spelling of 47201513 in words is "forty-seven million, two hundred one thousand, five hundred thirteen".