Base | Representation |
---|---|
bin | 11101001010001… |
… | …100101110110110 |
3 | 1021002112120212121 |
4 | 131022030232312 |
5 | 2000214302404 |
6 | 120313310154 |
7 | 15060145354 |
oct | 3512145666 |
9 | 1232476777 |
10 | 489212854 |
11 | 231169949 |
12 | 117a0535a |
13 | 7a479180 |
14 | 48d887d4 |
15 | 2ce36e54 |
hex | 1d28cbb6 |
489212854 has 16 divisors (see below), whose sum is σ = 790674192. Its totient is φ = 225674208.
The previous prime is 489212839. The next prime is 489212879. The reversal of 489212854 is 458212984.
It is a self number, because there is not a number n which added to its sum of digits gives 489212854.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66252 + ... + 73264.
It is an arithmetic number, because the mean of its divisors is an integer number (49417137).
Almost surely, 2489212854 is an apocalyptic number.
489212854 is a deficient number, since it is larger than the sum of its proper divisors (301461338).
489212854 is a wasteful number, since it uses less digits than its factorization.
489212854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9711.
The product of its digits is 184320, while the sum is 43.
The square root of 489212854 is about 22118.1566591794. The cubic root of 489212854 is about 787.9511369548.
The spelling of 489212854 in words is "four hundred eighty-nine million, two hundred twelve thousand, eight hundred fifty-four".
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