Search a number
-
+
71101241 is a prime number
BaseRepresentation
bin1000011110011…
…10101100111001
311221210022120022
410033032230321
5121200214431
611015540225
71522231151
oct417165471
9157708508
1071101241
1137153462
121b98a675
1311965b53
14962b761
15639707b
hex43ceb39

71101241 has 2 divisors, whose sum is σ = 71101242. Its totient is φ = 71101240.

The previous prime is 71101237. The next prime is 71101279. The reversal of 71101241 is 14210117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50353216 + 20748025 = 7096^2 + 4555^2 .

It is an emirp because it is prime and its reverse (14210117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71101241 - 22 = 71101237 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (71101841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35550620 + 35550621.

It is an arithmetic number, because the mean of its divisors is an integer number (35550621).

Almost surely, 271101241 is an apocalyptic number.

It is an amenable number.

71101241 is a deficient number, since it is larger than the sum of its proper divisors (1).

71101241 is an equidigital number, since it uses as much as digits as its factorization.

71101241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 71101241 is about 8432.1551812096. The cubic root of 71101241 is about 414.2784986173.

Adding to 71101241 its reverse (14210117), we get a palindrome (85311358).

The spelling of 71101241 in words is "seventy-one million, one hundred one thousand, two hundred forty-one".