Base | Representation |
---|---|
bin | 11101001011011… |
… | …011011100110111 |
3 | 1021010010222011120 |
4 | 131023123130313 |
5 | 2000310112122 |
6 | 120324235023 |
7 | 15062660403 |
oct | 3513333467 |
9 | 1233128146 |
10 | 489535287 |
11 | 23136a11a |
12 | 117b3ba73 |
13 | 7a55cb67 |
14 | 49030103 |
15 | 2ce9c75c |
hex | 1d2db737 |
489535287 has 8 divisors (see below), whose sum is σ = 653105136. Its totient is φ = 326161152.
The previous prime is 489535253. The next prime is 489535297. The reversal of 489535287 is 782535984.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 489535287 - 26 = 489535223 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489535237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42988 + ... + 53169.
It is an arithmetic number, because the mean of its divisors is an integer number (81638142).
Almost surely, 2489535287 is an apocalyptic number.
489535287 is a deficient number, since it is larger than the sum of its proper divisors (163569849).
489535287 is a wasteful number, since it uses less digits than its factorization.
489535287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97857.
The product of its digits is 2419200, while the sum is 51.
The square root of 489535287 is about 22125.4443345213. Note that the first 3 decimals coincide. The cubic root of 489535287 is about 788.1242079410.
The spelling of 489535287 in words is "four hundred eighty-nine million, five hundred thirty-five thousand, two hundred eighty-seven".
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