Base | Representation |
---|---|
bin | 1000011110111… |
… | …01001010100000 |
3 | 11221220022211100 |
4 | 10033131022200 |
5 | 121204113410 |
6 | 11021114400 |
7 | 1522565646 |
oct | 417351240 |
9 | 157808740 |
10 | 71160480 |
11 | 37193a16 |
12 | 1b9b8a00 |
13 | 11986ac1 |
14 | 9645196 |
15 | 63a98c0 |
hex | 43dd2a0 |
71160480 has 72 divisors (see below), whose sum is σ = 242840052. Its totient is φ = 18975744.
The previous prime is 71160443. The next prime is 71160493. The reversal of 71160480 is 8406117.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 67963536 + 3196944 = 8244^2 + 1788^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23269 + ... + 26148.
Almost surely, 271160480 is an apocalyptic number.
It is an amenable number.
71160480 is an abundant number, since it is smaller than the sum of its proper divisors (171679572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71160480 is a wasteful number, since it uses less digits than its factorization.
71160480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49438 (or 49427 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 71160480 is about 8435.6671342580. The cubic root of 71160480 is about 414.3935206671.
Adding to 71160480 its reverse (8406117), we get a palindrome (79566597).
The spelling of 71160480 in words is "seventy-one million, one hundred sixty thousand, four hundred eighty".
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