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71032133 is a prime number
BaseRepresentation
bin1000011101111…
…01110101000101
311221122210202202
410032331311011
5121141012013
611014244245
71521522524
oct416756505
9157583682
1071032133
1137106547
121b956685
1311940563
1496104bb
156381858
hex43bdd45

71032133 has 2 divisors, whose sum is σ = 71032134. Its totient is φ = 71032132.

The previous prime is 71032109. The next prime is 71032141. The reversal of 71032133 is 33123017.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38962564 + 32069569 = 6242^2 + 5663^2 .

It is a cyclic number.

It is not a de Polignac number, because 71032133 - 218 = 70769989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71032153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35516066 + 35516067.

It is an arithmetic number, because the mean of its divisors is an integer number (35516067).

Almost surely, 271032133 is an apocalyptic number.

It is an amenable number.

71032133 is a deficient number, since it is larger than the sum of its proper divisors (1).

71032133 is an equidigital number, since it uses as much as digits as its factorization.

71032133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 71032133 is about 8428.0563002391. The cubic root of 71032133 is about 414.1442335474.

The spelling of 71032133 in words is "seventy-one million, thirty-two thousand, one hundred thirty-three".