Base | Representation |
---|---|
bin | 11101001011010… |
… | …001100000100000 |
3 | 1021010001220022011 |
4 | 131023101200200 |
5 | 2000302311220 |
6 | 120323322304 |
7 | 15062430562 |
oct | 3513214040 |
9 | 1233056264 |
10 | 489494560 |
11 | 231341565 |
12 | 117b20394 |
13 | 7a547469 |
14 | 4901d332 |
15 | 2ce9065a |
hex | 1d2d1820 |
489494560 has 24 divisors (see below), whose sum is σ = 1156431276. Its totient is φ = 195797760.
The previous prime is 489494539. The next prime is 489494573. The reversal of 489494560 is 65494984.
It can be written as a sum of positive squares in 2 ways, for example, as 480661776 + 8832784 = 21924^2 + 2972^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529511 + ... + 1529830.
Almost surely, 2489494560 is an apocalyptic number.
489494560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
489494560 is an abundant number, since it is smaller than the sum of its proper divisors (666936716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489494560 is a wasteful number, since it uses less digits than its factorization.
489494560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3059356 (or 3059348 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 49.
The square root of 489494560 is about 22124.5239496808. The cubic root of 489494560 is about 788.1023512771.
The spelling of 489494560 in words is "four hundred eighty-nine million, four hundred ninety-four thousand, five hundred sixty".
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