Base | Representation |
---|---|
bin | 11101001011011… |
… | …001001011100000 |
3 | 1021010010111102000 |
4 | 131023121023200 |
5 | 2000304312414 |
6 | 120324124000 |
7 | 15062621313 |
oct | 3513311340 |
9 | 1233114360 |
10 | 489525984 |
11 | 231363132 |
12 | 117b36600 |
13 | 7a55885c |
14 | 4902a97a |
15 | 2ce99b09 |
hex | 1d2d92e0 |
489525984 has 96 divisors (see below), whose sum is σ = 1466468640. Its totient is φ = 158754816.
The previous prime is 489525983. The next prime is 489525989.
It is a happy number.
489525984 is a `hidden beast` number, since 48 + 9 + 5 + 2 + 598 + 4 = 666.
489525984 is nontrivially palindromic in base 10 and base 11.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×4895259842 = 479271378022336512, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 489525984.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489525983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24312 + ... + 39624.
It is an arithmetic number, because the mean of its divisors is an integer number (15275715).
Almost surely, 2489525984 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 489525984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733234320).
489525984 is an abundant number, since it is smaller than the sum of its proper divisors (976942656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489525984 is a wasteful number, since it uses less digits than its factorization.
489525984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15369 (or 15355 counting only the distinct ones).
The product of its digits is 4147200, while the sum is 54.
The square root of 489525984 is about 22125.2341004564. The cubic root of 489525984 is about 788.1192154743.
The spelling of 489525984 in words is "four hundred eighty-nine million, five hundred twenty-five thousand, nine hundred eighty-four".
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