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71241319 is a prime number
BaseRepresentation
bin1000011111100…
…00111001100111
311222001102201101
410033300321213
5121214210234
611022540531
71523353432
oct417607147
9158042641
1071241319
1137239726
121ba37747
13119b4836
149666819
1563c3814
hex43f0e67

71241319 has 2 divisors, whose sum is σ = 71241320. Its totient is φ = 71241318.

The previous prime is 71241311. The next prime is 71241343. The reversal of 71241319 is 91314217.

It is a weak prime.

It is an emirp because it is prime and its reverse (91314217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71241319 - 23 = 71241311 is a prime.

It is a super-2 number, since 2×712413192 = 10150651065719522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71241311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35620659 + 35620660.

It is an arithmetic number, because the mean of its divisors is an integer number (35620660).

Almost surely, 271241319 is an apocalyptic number.

71241319 is a deficient number, since it is larger than the sum of its proper divisors (1).

71241319 is an equidigital number, since it uses as much as digits as its factorization.

71241319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 71241319 is about 8440.4572743424. The cubic root of 71241319 is about 414.5503796460.

The spelling of 71241319 in words is "seventy-one million, two hundred forty-one thousand, three hundred nineteen".