Base | Representation |
---|---|
bin | 1000011110000… |
… | …01001001000101 |
3 | 11221200111101021 |
4 | 10033001021011 |
5 | 121141430301 |
6 | 11014431141 |
7 | 1521610216 |
oct | 417011105 |
9 | 157614337 |
10 | 71045701 |
11 | 37115761 |
12 | 1b9624b1 |
13 | 1194679c |
14 | 961540d |
15 | 63858a1 |
hex | 43c1245 |
71045701 has 2 divisors, whose sum is σ = 71045702. Its totient is φ = 71045700.
The previous prime is 71045671. The next prime is 71045729. The reversal of 71045701 is 10754017.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 43230625 + 27815076 = 6575^2 + 5274^2 .
It is a cyclic number.
It is not a de Polignac number, because 71045701 - 27 = 71045573 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (71045501) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35522850 + 35522851.
It is an arithmetic number, because the mean of its divisors is an integer number (35522851).
Almost surely, 271045701 is an apocalyptic number.
It is an amenable number.
71045701 is a deficient number, since it is larger than the sum of its proper divisors (1).
71045701 is an equidigital number, since it uses as much as digits as its factorization.
71045701 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 980, while the sum is 25.
The square root of 71045701 is about 8428.8611923557. The cubic root of 71045701 is about 414.1706007280.
Adding to 71045701 its reverse (10754017), we get a palindrome (81799718).
The spelling of 71045701 in words is "seventy-one million, forty-five thousand, seven hundred one".
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