Base | Representation |
---|---|
bin | 1000011101111… |
… | …01000111111001 |
3 | 11221122122210122 |
4 | 10032331013321 |
5 | 121140413431 |
6 | 11014223025 |
7 | 1521511223 |
oct | 416750771 |
9 | 157578718 |
10 | 71029241 |
11 | 37104358 |
12 | 1b954a75 |
13 | 1193c14a |
14 | 960d413 |
15 | 6380a7b |
hex | 43bd1f9 |
71029241 has 2 divisors, whose sum is σ = 71029242. Its totient is φ = 71029240.
The previous prime is 71029223. The next prime is 71029243. The reversal of 71029241 is 14292017.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 66912400 + 4116841 = 8180^2 + 2029^2 .
It is a cyclic number.
It is not a de Polignac number, because 71029241 - 26 = 71029177 is a prime.
Together with 71029243, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 71029241.
It is not a weakly prime, because it can be changed into another prime (71029243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35514620 + 35514621.
It is an arithmetic number, because the mean of its divisors is an integer number (35514621).
Almost surely, 271029241 is an apocalyptic number.
It is an amenable number.
71029241 is a deficient number, since it is larger than the sum of its proper divisors (1).
71029241 is an equidigital number, since it uses as much as digits as its factorization.
71029241 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 26.
The square root of 71029241 is about 8427.8847286849. The cubic root of 71029241 is about 414.1386129861.
The spelling of 71029241 in words is "seventy-one million, twenty-nine thousand, two hundred forty-one".
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