Base | Representation |
---|---|
bin | 11101001100111… |
… | …110010100110000 |
3 | 1021010220112201000 |
4 | 131030332110300 |
5 | 2000411042042 |
6 | 120341042000 |
7 | 15066265203 |
oct | 3514762460 |
9 | 1233815630 |
10 | 489940272 |
11 | 231616418 |
12 | 1180b6300 |
13 | 7a6722b3 |
14 | 490d793a |
15 | 2d02c74c |
hex | 1d33e530 |
489940272 has 80 divisors (see below), whose sum is σ = 1489056480. Its totient is φ = 153704448.
The previous prime is 489940271. The next prime is 489940277. The reversal of 489940272 is 272049984.
It is not an unprimeable number, because it can be changed into a prime (489940271) 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, 26013 + ... + 40700.
It is an arithmetic number, because the mean of its divisors is an integer number (18613206).
Almost surely, 2489940272 is an apocalyptic number.
It is an amenable number.
489940272 is an abundant number, since it is smaller than the sum of its proper divisors (999116208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489940272 is a wasteful number, since it uses less digits than its factorization.
489940272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66747 (or 66735 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 489940272 is about 22134.5944620632. The cubic root of 489940272 is about 788.3414823740.
The spelling of 489940272 in words is "four hundred eighty-nine million, nine hundred forty thousand, two hundred seventy-two".
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