Base | Representation |
---|---|
bin | 1000100000001… |
… | …00100111010110 |
3 | 11222012112111011 |
4 | 10100010213112 |
5 | 121224301240 |
6 | 11024402434 |
7 | 1524141031 |
oct | 420044726 |
9 | 158175434 |
10 | 71322070 |
11 | 37294366 |
12 | 1ba7641a |
13 | 11a12511 |
14 | 9688018 |
15 | 63dc6ea |
hex | 44049d6 |
71322070 has 16 divisors (see below), whose sum is σ = 128646000. Its totient is φ = 28469664.
The previous prime is 71322061. The next prime is 71322071. The reversal of 71322070 is 7022317.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71322071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157 + ... + 12136.
It is an arithmetic number, because the mean of its divisors is an integer number (8040375).
Almost surely, 271322070 is an apocalyptic number.
71322070 is a deficient number, since it is larger than the sum of its proper divisors (57323930).
71322070 is a wasteful number, since it uses less digits than its factorization.
71322070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14799.
The product of its (nonzero) digits is 588, while the sum is 22.
The square root of 71322070 is about 8445.2394874272. The cubic root of 71322070 is about 414.7069494484.
Adding to 71322070 its reverse (7022317), we get a palindrome (78344387).
The spelling of 71322070 in words is "seventy-one million, three hundred twenty-two thousand, seventy".
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