Base | Representation |
---|---|
bin | 1000100000000… |
… | …10111001001110 |
3 | 11222012011211010 |
4 | 10100002321032 |
5 | 121224040042 |
6 | 11024310050 |
7 | 1524111342 |
oct | 420027116 |
9 | 158164733 |
10 | 71315022 |
11 | 3728a039 |
12 | 1ba72326 |
13 | 11a0c24c |
14 | 9685622 |
15 | 63da59c |
hex | 4402e4e |
71315022 has 8 divisors (see below), whose sum is σ = 142630056. Its totient is φ = 23771672.
The previous prime is 71314987. The next prime is 71315029. The reversal of 71315022 is 22051317.
It is a sphenic number, since it is the product of 3 distinct primes.
71315022 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 71315022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71315029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5942913 + ... + 5942924.
It is an arithmetic number, because the mean of its divisors is an integer number (17828757).
Almost surely, 271315022 is an apocalyptic number.
71315022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71315022 is a wasteful number, since it uses less digits than its factorization.
71315022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11885842.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 71315022 is about 8444.8222006150. The cubic root of 71315022 is about 414.6932886426.
Adding to 71315022 its reverse (22051317), we get a palindrome (93366339).
The spelling of 71315022 in words is "seventy-one million, three hundred fifteen thousand, twenty-two".
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