Base | Representation |
---|---|
bin | 11101001100101… |
… | …010111110010000 |
3 | 1021010202111222022 |
4 | 131030222332100 |
5 | 2000401023013 |
6 | 120335231012 |
7 | 15065515130 |
oct | 3514527620 |
9 | 1233674868 |
10 | 489861008 |
11 | 23157190a |
12 | 118078468 |
13 | 7a6451b0 |
14 | 490b6ac0 |
15 | 2d014008 |
hex | 1d32af90 |
489861008 has 80 divisors (see below), whose sum is σ = 1205922816. Its totient is φ = 187522560.
The previous prime is 489860951. The next prime is 489861017. The reversal of 489861008 is 800168984.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 489861008.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39710 + ... + 50562.
Almost surely, 2489861008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 489861008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602961408).
489861008 is an abundant number, since it is smaller than the sum of its proper divisors (716061808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489861008 is a wasteful number, since it uses less digits than its factorization.
489861008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10912 (or 10906 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 44.
The square root of 489861008 is about 22132.8038892500. The cubic root of 489861008 is about 788.2989666682.
It can be divided in two parts, 48986 and 1008, that added together give a palindrome (49994).
The spelling of 489861008 in words is "four hundred eighty-nine million, eight hundred sixty-one thousand, eight".
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