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71489059 is a prime number
BaseRepresentation
bin1000100001011…
…01011000100011
311222112000112221
410100231120203
5121300122214
611032131511
71525434625
oct420553043
9158460487
1071489059
1137398874
121bb36b97
1311a70525
1496ccc15
156421e24
hex442d623

71489059 has 2 divisors, whose sum is σ = 71489060. Its totient is φ = 71489058.

The previous prime is 71489023. The next prime is 71489087. The reversal of 71489059 is 95098417.

It is a strong prime.

It is an emirp because it is prime and its reverse (95098417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71489059 - 27 = 71488931 is a prime.

It is a super-2 number, since 2×714890592 = 10221371113410962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71489009) 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, 35744529 + 35744530.

It is an arithmetic number, because the mean of its divisors is an integer number (35744530).

Almost surely, 271489059 is an apocalyptic number.

71489059 is a deficient number, since it is larger than the sum of its proper divisors (1).

71489059 is an equidigital number, since it uses as much as digits as its factorization.

71489059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 71489059 is about 8455.1202830001. The cubic root of 71489059 is about 415.0303534193.

The spelling of 71489059 in words is "seventy-one million, four hundred eighty-nine thousand, fifty-nine".