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71283007 is a prime number
BaseRepresentation
bin1000011111110…
…11000100111111
311222010112220101
410033323010333
5121222024012
611023501531
71523616115
oct417730477
9158115811
1071283007
1137267a84
121ba578a7
13119ca7c3
149677ab5
1563d0d57
hex43fb13f

71283007 has 2 divisors, whose sum is σ = 71283008. Its totient is φ = 71283006.

The previous prime is 71283001. The next prime is 71283011. The reversal of 71283007 is 70038217.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (70038217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71283007 - 211 = 71280959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71283001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35641503 + 35641504.

It is an arithmetic number, because the mean of its divisors is an integer number (35641504).

Almost surely, 271283007 is an apocalyptic number.

71283007 is a deficient number, since it is larger than the sum of its proper divisors (1).

71283007 is an equidigital number, since it uses as much as digits as its factorization.

71283007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 71283007 is about 8442.9264476247. The cubic root of 71283007 is about 414.6312241459.

The spelling of 71283007 in words is "seventy-one million, two hundred eighty-three thousand, seven".