Base | Representation |
---|---|
bin | 1001100010011… |
… | …00100101011111 |
3 | 12120112200212121 |
4 | 10301030211133 |
5 | 130440133341 |
6 | 11534443411 |
7 | 1661015050 |
oct | 461144537 |
9 | 176480777 |
10 | 80005471 |
11 | 41185327 |
12 | 22963567 |
13 | 13762a20 |
14 | a8a8727 |
15 | 70554d1 |
hex | 4c4c95f |
80005471 has 8 divisors (see below), whose sum is σ = 98468384. Its totient is φ = 63300960.
The previous prime is 80005441. The next prime is 80005483. The reversal of 80005471 is 17450008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80005471 - 213 = 79997279 is a prime.
It is a super-3 number, since 3×800054713 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80005441) 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, 439500 + ... + 439681.
It is an arithmetic number, because the mean of its divisors is an integer number (12308548).
Almost surely, 280005471 is an apocalyptic number.
80005471 is a deficient number, since it is larger than the sum of its proper divisors (18462913).
80005471 is a wasteful number, since it uses less digits than its factorization.
80005471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 879201.
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 80005471 is about 8944.5777429681. The cubic root of 80005471 is about 430.8967602093.
Adding to 80005471 its reverse (17450008), we get a palindrome (97455479).
The spelling of 80005471 in words is "eighty million, five thousand, four hundred seventy-one".
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