Base | Representation |
---|---|
bin | 11101001001111… |
… | …100010001000100 |
3 | 1021002102011100202 |
4 | 131021330101010 |
5 | 2000210123122 |
6 | 120312030032 |
7 | 15056444630 |
oct | 3511742104 |
9 | 1232364322 |
10 | 489145412 |
11 | 231123208 |
12 | 117992318 |
13 | 7a454572 |
14 | 48d6bdc0 |
15 | 2ce21e92 |
hex | 1d27c444 |
489145412 has 24 divisors (see below), whose sum is σ = 992073600. Its totient is φ = 206680320.
The previous prime is 489145379. The next prime is 489145429. The reversal of 489145412 is 214541984.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121037 + ... + 125012.
It is an arithmetic number, because the mean of its divisors is an integer number (41336400).
Almost surely, 2489145412 is an apocalyptic number.
It is an amenable number.
489145412 is an abundant number, since it is smaller than the sum of its proper divisors (502928188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489145412 is a wasteful number, since it uses less digits than its factorization.
489145412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246131 (or 246129 counting only the distinct ones).
The product of its digits is 46080, while the sum is 38.
The square root of 489145412 is about 22116.6320220779. The cubic root of 489145412 is about 787.9149267842.
The spelling of 489145412 in words is "four hundred eighty-nine million, one hundred forty-five thousand, four hundred twelve".
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