Base | Representation |
---|---|
bin | 1000100011010… |
… | …10110001000001 |
3 | 11222222210102212 |
4 | 10101222301001 |
5 | 121331143411 |
6 | 11041351505 |
7 | 1530532631 |
oct | 421526101 |
9 | 158883385 |
10 | 71740481 |
11 | 3754a75a |
12 | 20038595 |
13 | 11b2aab7 |
14 | 97566c1 |
15 | 647168b |
hex | 446ac41 |
71740481 has 2 divisors, whose sum is σ = 71740482. Its totient is φ = 71740480.
The previous prime is 71740463. The next prime is 71740499. The reversal of 71740481 is 18404717.
It is a balanced prime because it is at equal distance from previous prime (71740463) and next prime (71740499).
It can be written as a sum of positive squares in only one way, i.e., 71250481 + 490000 = 8441^2 + 700^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-71740481 is a prime.
It is a super-2 number, since 2×717404812 = 10293393228222722, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (76740481) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35870240 + 35870241.
It is an arithmetic number, because the mean of its divisors is an integer number (35870241).
Almost surely, 271740481 is an apocalyptic number.
It is an amenable number.
71740481 is a deficient number, since it is larger than the sum of its proper divisors (1).
71740481 is an equidigital number, since it uses as much as digits as its factorization.
71740481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6272, while the sum is 32.
The square root of 71740481 is about 8469.9752656073. The cubic root of 71740481 is about 415.5163283527.
The spelling of 71740481 in words is "seventy-one million, seven hundred forty thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •