Base | Representation |
---|---|
bin | 1001100111111… |
… | …01100000111011 |
3 | 12121220111222100 |
4 | 10303331200323 |
5 | 131131331141 |
6 | 12002154443 |
7 | 2000123634 |
oct | 463754073 |
9 | 177814870 |
10 | 80730171 |
11 | 4162a855 |
12 | 23052a23 |
13 | 13957842 |
14 | aa1688b |
15 | 714a0b6 |
hex | 4cfd83b |
80730171 has 12 divisors (see below), whose sum is σ = 120631680. Its totient is φ = 51964080.
The previous prime is 80730157. The next prime is 80730173. The reversal of 80730171 is 17103708.
It is not a de Polignac number, because 80730171 - 210 = 80729147 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80730173) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154395 + ... + 154916.
It is an arithmetic number, because the mean of its divisors is an integer number (10052640).
Almost surely, 280730171 is an apocalyptic number.
80730171 is a deficient number, since it is larger than the sum of its proper divisors (39901509).
80730171 is a wasteful number, since it uses less digits than its factorization.
80730171 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309346 (or 309343 counting only the distinct ones).
The product of its (nonzero) digits is 1176, while the sum is 27.
The square root of 80730171 is about 8984.9969949912. The cubic root of 80730171 is about 432.1938912307.
Adding to 80730171 its reverse (17103708), we get a palindrome (97833879).
The spelling of 80730171 in words is "eighty million, seven hundred thirty thousand, one hundred seventy-one".
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