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71444341 is a prime number
BaseRepresentation
bin1000100001000…
…10011101110101
311222102202012201
410100202131311
5121242204331
611031144501
71525160353
oct420423565
9158382181
1071444341
1137368211
121bb15131
1311a56077
1496ba7d3
156413a61
hex4422775

71444341 has 2 divisors, whose sum is σ = 71444342. Its totient is φ = 71444340.

The previous prime is 71444333. The next prime is 71444381. The reversal of 71444341 is 14344417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64400625 + 7043716 = 8025^2 + 2654^2 .

It is an emirp because it is prime and its reverse (14344417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71444341 - 23 = 71444333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71444381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35722170 + 35722171.

It is an arithmetic number, because the mean of its divisors is an integer number (35722171).

Almost surely, 271444341 is an apocalyptic number.

It is an amenable number.

71444341 is a deficient number, since it is larger than the sum of its proper divisors (1).

71444341 is an equidigital number, since it uses as much as digits as its factorization.

71444341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 28.

The square root of 71444341 is about 8452.4754362258. The cubic root of 71444341 is about 414.9437984569.

Adding to 71444341 its reverse (14344417), we get a palindrome (85788758).

The spelling of 71444341 in words is "seventy-one million, four hundred forty-four thousand, three hundred forty-one".