Base | Representation |
---|---|
bin | 11101001010100… |
… | …011001100011111 |
3 | 1021002201021002100 |
4 | 131022203030133 |
5 | 2000230223423 |
6 | 120315300143 |
7 | 15061010535 |
oct | 3512431437 |
9 | 1232637070 |
10 | 489304863 |
11 | 231221a93 |
12 | 117a4a653 |
13 | 7a4ac008 |
14 | 48db0155 |
15 | 2ce54343 |
hex | 1d2a331f |
489304863 has 24 divisors (see below), whose sum is σ = 751173696. Its totient is φ = 305856000.
The previous prime is 489304861. The next prime is 489304867. The reversal of 489304863 is 368403984.
It is not a de Polignac number, because 489304863 - 21 = 489304861 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489304861) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35563 + ... + 47363.
It is an arithmetic number, because the mean of its divisors is an integer number (31298904).
Almost surely, 2489304863 is an apocalyptic number.
489304863 is a deficient number, since it is larger than the sum of its proper divisors (261868833).
489304863 is a wasteful number, since it uses less digits than its factorization.
489304863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12095 (or 12092 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 45.
The square root of 489304863 is about 22120.2365041606. The cubic root of 489304863 is about 788.0005319853. Note that the first 3 decimals are identical.
The spelling of 489304863 in words is "four hundred eighty-nine million, three hundred four thousand, eight hundred sixty-three".
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