Base | Representation |
---|---|
bin | 1000100001010… |
… | …00010010000001 |
3 | 11222110221212221 |
4 | 10100220102001 |
5 | 121243440121 |
6 | 11031451041 |
7 | 1525316662 |
oct | 420502201 |
9 | 158427787 |
10 | 71468161 |
11 | 373840a6 |
12 | 1bb26a81 |
13 | 11a63b6b |
14 | 96c5369 |
15 | 641ab41 |
hex | 4428481 |
71468161 has 2 divisors, whose sum is σ = 71468162. Its totient is φ = 71468160.
The previous prime is 71468147. The next prime is 71468171. The reversal of 71468161 is 16186417.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 44635761 + 26832400 = 6681^2 + 5180^2 .
It is a cyclic number.
It is not a de Polignac number, because 71468161 - 25 = 71468129 is a prime.
It is not a weakly prime, because it can be changed into another prime (71468141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35734080 + 35734081.
It is an arithmetic number, because the mean of its divisors is an integer number (35734081).
Almost surely, 271468161 is an apocalyptic number.
It is an amenable number.
71468161 is a deficient number, since it is larger than the sum of its proper divisors (1).
71468161 is an equidigital number, since it uses as much as digits as its factorization.
71468161 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8064, while the sum is 34.
The square root of 71468161 is about 8453.8843734700. The cubic root of 71468161 is about 414.9899083045.
The spelling of 71468161 in words is "seventy-one million, four hundred sixty-eight thousand, one hundred sixty-one".
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