Search a number
-
+
71314571 is a prime number
BaseRepresentation
bin1000100000000…
…10110010001011
311222012011012102
410100002302023
5121224031241
611024304015
71524110126
oct420026213
9158164172
1071314571
1137289769
121ba7200b
1311a0bc93
1496853bd
1563da39b
hex4402c8b

71314571 has 2 divisors, whose sum is σ = 71314572. Its totient is φ = 71314570.

The previous prime is 71314561. The next prime is 71314613. The reversal of 71314571 is 17541317.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71314571 is a prime.

It is a Chen prime.

It is equal to p4190780 and since 71314571 and 4190780 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (71314531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35657285 + 35657286.

It is an arithmetic number, because the mean of its divisors is an integer number (35657286).

Almost surely, 271314571 is an apocalyptic number.

71314571 is a deficient number, since it is larger than the sum of its proper divisors (1).

71314571 is an equidigital number, since it uses as much as digits as its factorization.

71314571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 29.

The square root of 71314571 is about 8444.7954978199. The cubic root of 71314571 is about 414.6924144599.

Adding to 71314571 its reverse (17541317), we get a palindrome (88855888).

The spelling of 71314571 in words is "seventy-one million, three hundred fourteen thousand, five hundred seventy-one".