Search a number
-
+
71414237 is a prime number
BaseRepresentation
bin1000100000110…
…11000111011101
311222101012220202
410100123013131
5121240223422
611030353245
71525003526
oct420330735
9158335822
1071414237
1137347634
121babb825
1311a4545b
1496ad84d
156409b92
hex441b1dd

71414237 has 2 divisors, whose sum is σ = 71414238. Its totient is φ = 71414236.

The previous prime is 71414177. The next prime is 71414303. The reversal of 71414237 is 73241417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68873401 + 2540836 = 8299^2 + 1594^2 .

It is an emirp because it is prime and its reverse (73241417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71414237 - 210 = 71413213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71414537) 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, 35707118 + 35707119.

It is an arithmetic number, because the mean of its divisors is an integer number (35707119).

Almost surely, 271414237 is an apocalyptic number.

It is an amenable number.

71414237 is a deficient number, since it is larger than the sum of its proper divisors (1).

71414237 is an equidigital number, since it uses as much as digits as its factorization.

71414237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 29.

The square root of 71414237 is about 8450.6944685038. The cubic root of 71414237 is about 414.8855096182.

The spelling of 71414237 in words is "seventy-one million, four hundred fourteen thousand, two hundred thirty-seven".