Base | Representation |
---|---|
bin | 11101001010110… |
… | …110001111100100 |
3 | 1021002212020010000 |
4 | 131022312033210 |
5 | 2000240223014 |
6 | 120321101300 |
7 | 15061454154 |
oct | 3512661744 |
9 | 1232766100 |
10 | 489382884 |
11 | 231275671 |
12 | 117a87830 |
13 | 7a508693 |
14 | 48dd0764 |
15 | 2ce6c509 |
hex | 1d2b63e4 |
489382884 has 45 divisors (see below), whose sum is σ = 1280385337. Its totient is φ = 162994896.
The previous prime is 489382879. The next prime is 489382889. The reversal of 489382884 is 488283984.
The square root of 489382884 is 22122.
It is a perfect power (a square), and thus also a powerful number.
489382884 is a `hidden beast` number, since 489 + 3 + 82 + 8 + 84 = 666.
It is an interprime number because it is at equal distance from previous prime (489382879) and next prime (489382889).
It can be written as a sum of positive squares in only one way, i.e., 483032484 + 6350400 = 21978^2 + 2520^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 489382884.
It is not an unprimeable number, because it can be changed into a prime (489382889) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 397582 + ... + 398810.
Almost surely, 2489382884 is an apocalyptic number.
489382884 is the 22122-nd square number.
It is an amenable number.
489382884 is an abundant number, since it is smaller than the sum of its proper divisors (791002453).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489382884 is an equidigital number, since it uses as much as digits as its factorization.
489382884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2474 (or 1234 counting only the distinct ones).
The product of its digits is 3538944, while the sum is 54.
The cubic root of 489382884 is about 788.0424127068.
The spelling of 489382884 in words is "four hundred eighty-nine million, three hundred eighty-two thousand, eight hundred eighty-four".
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