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71534033 is a prime number
BaseRepresentation
bin1000100001110…
…00010111010001
311222121022020122
410100320113101
5121303042113
611033120025
71526013014
oct420702721
9158538218
1071534033
113741963a
121bb59015
1311a87b3c
14970137b
156430408
hex44385d1

71534033 has 2 divisors, whose sum is σ = 71534034. Its totient is φ = 71534032.

The previous prime is 71534009. The next prime is 71534051. The reversal of 71534033 is 33043517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61905424 + 9628609 = 7868^2 + 3103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71534033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71533993 and 71534011.

It is not a weakly prime, because it can be changed into another prime (71534003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35767016 + 35767017.

It is an arithmetic number, because the mean of its divisors is an integer number (35767017).

Almost surely, 271534033 is an apocalyptic number.

It is an amenable number.

71534033 is a deficient number, since it is larger than the sum of its proper divisors (1).

71534033 is an equidigital number, since it uses as much as digits as its factorization.

71534033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 71534033 is about 8457.7794367080. The cubic root of 71534033 is about 415.1173674909.

The spelling of 71534033 in words is "seventy-one million, five hundred thirty-four thousand, thirty-three".