Search a number
-
+
47801113 is a prime number
BaseRepresentation
bin1011011001011…
…0001100011001
310022221112210121
42312112030121
544214113423
64424313241
71120205563
oct266261431
9108845717
1047801113
1124a89758
1214012821
139b985a9
1464c4333
1542e345d
hex2d96319

47801113 has 2 divisors, whose sum is σ = 47801114. Its totient is φ = 47801112.

The previous prime is 47801087. The next prime is 47801119. The reversal of 47801113 is 31110874.

47801113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34609689 + 13191424 = 5883^2 + 3632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47801113 is a prime.

It is not a weakly prime, because it can be changed into another prime (47801119) 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, 23900556 + 23900557.

It is an arithmetic number, because the mean of its divisors is an integer number (23900557).

Almost surely, 247801113 is an apocalyptic number.

It is an amenable number.

47801113 is a deficient number, since it is larger than the sum of its proper divisors (1).

47801113 is an equidigital number, since it uses as much as digits as its factorization.

47801113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 47801113 is about 6913.8348982312. The cubic root of 47801113 is about 362.9214769429.

Adding to 47801113 its reverse (31110874), we get a palindrome (78911987).

The spelling of 47801113 in words is "forty-seven million, eight hundred one thousand, one hundred thirteen".