Base | Representation |
---|---|
bin | 11101001010001… |
… | …101111011010100 |
3 | 1021002112211120212 |
4 | 131022031323110 |
5 | 2000214431443 |
6 | 120313344552 |
7 | 15060165545 |
oct | 3512157324 |
9 | 1232484525 |
10 | 489217748 |
11 | 231172598 |
12 | 117a08158 |
13 | 7a47b476 |
14 | 48d8a4cc |
15 | 2ce38618 |
hex | 1d28ded4 |
489217748 has 24 divisors (see below), whose sum is σ = 861967680. Its totient is φ = 242948160.
The previous prime is 489217739. The next prime is 489217753. The reversal of 489217748 is 847712984.
It is a junction number, because it is equal to n+sod(n) for n = 489217696 and 489217705.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473993 + ... + 475023.
It is an arithmetic number, because the mean of its divisors is an integer number (35915320).
Almost surely, 2489217748 is an apocalyptic number.
It is an amenable number.
489217748 is a deficient number, since it is larger than the sum of its proper divisors (372749932).
489217748 is a wasteful number, since it uses less digits than its factorization.
489217748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1727 (or 1725 counting only the distinct ones).
The product of its digits is 903168, while the sum is 50.
The square root of 489217748 is about 22118.2672919919. The cubic root of 489217748 is about 787.9537644546.
The spelling of 489217748 in words is "four hundred eighty-nine million, two hundred seventeen thousand, seven hundred forty-eight".
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