Search a number
-
+
71024243 is a prime number
BaseRepresentation
bin1000011101110…
…11111001110011
311221122101221112
410032323321303
5121140233433
611014143535
71521460523
oct416737163
9157571845
1071024243
1137100624
121b951bab
1311939aa4
14960b683
15637e348
hex43bbe73

71024243 has 2 divisors, whose sum is σ = 71024244. Its totient is φ = 71024242.

The previous prime is 71024237. The next prime is 71024251. The reversal of 71024243 is 34242017.

It is a weak prime.

It is an emirp because it is prime and its reverse (34242017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71024243 - 210 = 71023219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71024543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35512121 + 35512122.

It is an arithmetic number, because the mean of its divisors is an integer number (35512122).

Almost surely, 271024243 is an apocalyptic number.

71024243 is a deficient number, since it is larger than the sum of its proper divisors (1).

71024243 is an equidigital number, since it uses as much as digits as its factorization.

71024243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 71024243 is about 8427.5882077852. The cubic root of 71024243 is about 414.1288990837.

The spelling of 71024243 in words is "seventy-one million, twenty-four thousand, two hundred forty-three".