Base | Representation |
---|---|
bin | 11101001011101… |
… | …100011011111111 |
3 | 1021010021111121110 |
4 | 131023230123333 |
5 | 2000314323423 |
6 | 120325533103 |
7 | 15063400266 |
oct | 3513543377 |
9 | 1233244543 |
10 | 489604863 |
11 | 231407420 |
12 | 117b74193 |
13 | 7a585727 |
14 | 4904b5dd |
15 | 2ceb3193 |
hex | 1d2ec6ff |
489604863 has 16 divisors (see below), whose sum is σ = 749635200. Its totient is φ = 281112480.
The previous prime is 489604747. The next prime is 489604891. The reversal of 489604863 is 368406984.
It is not a de Polignac number, because 489604863 - 212 = 489600767 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489604163) 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, 389808 + ... + 391061.
It is an arithmetic number, because the mean of its divisors is an integer number (46852200).
Almost surely, 2489604863 is an apocalyptic number.
489604863 is a deficient number, since it is larger than the sum of its proper divisors (260030337).
489604863 is a wasteful number, since it uses less digits than its factorization.
489604863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 780902.
The product of its (nonzero) digits is 995328, while the sum is 48.
The square root of 489604863 is about 22127.0165860651. The cubic root of 489604863 is about 788.1615439845.
The spelling of 489604863 in words is "four hundred eighty-nine million, six hundred four thousand, eight hundred sixty-three".
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