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71484241 is a prime number
BaseRepresentation
bin1000100001011…
…00001101010001
311222111202221111
410100230031101
5121244443431
611032053321
71525414603
oct420541521
9158452844
1071484241
1137395194
121bb34241
1311a6b28a
1496cb173
1564207b1
hex442c351

71484241 has 2 divisors, whose sum is σ = 71484242. Its totient is φ = 71484240.

The previous prime is 71484229. The next prime is 71484277. The reversal of 71484241 is 14248417.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46444225 + 25040016 = 6815^2 + 5004^2 .

It is an emirp because it is prime and its reverse (14248417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71484241 - 27 = 71484113 is a prime.

It is a super-2 number, since 2×714842412 = 10219993422692162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71484221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35742120 + 35742121.

It is an arithmetic number, because the mean of its divisors is an integer number (35742121).

Almost surely, 271484241 is an apocalyptic number.

It is an amenable number.

71484241 is a deficient number, since it is larger than the sum of its proper divisors (1).

71484241 is an equidigital number, since it uses as much as digits as its factorization.

71484241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 31.

The square root of 71484241 is about 8454.8353620872. The cubic root of 71484241 is about 415.0210295629.

The spelling of 71484241 in words is "seventy-one million, four hundred eighty-four thousand, two hundred forty-one".