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71368093 is a prime number
BaseRepresentation
bin1000100000011…
…11110110011101
311222021212121201
410100033312131
5121232234333
611025355501
71524422146
oct420176635
9158255551
1071368093
11373159a5
121ba98b91
1311a2a454
14969aacd
1563eb17d
hex440fd9d

71368093 has 2 divisors, whose sum is σ = 71368094. Its totient is φ = 71368092.

The previous prime is 71368049. The next prime is 71368117. The reversal of 71368093 is 39086317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63313849 + 8054244 = 7957^2 + 2838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71368093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71368013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35684046 + 35684047.

It is an arithmetic number, because the mean of its divisors is an integer number (35684047).

Almost surely, 271368093 is an apocalyptic number.

It is an amenable number.

71368093 is a deficient number, since it is larger than the sum of its proper divisors (1).

71368093 is an equidigital number, since it uses as much as digits as its factorization.

71368093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 71368093 is about 8447.9638375173. The cubic root of 71368093 is about 414.7961315398.

The spelling of 71368093 in words is "seventy-one million, three hundred sixty-eight thousand, ninety-three".