Base | Representation |
---|---|
bin | 11101001100000… |
… | …110101001110101 |
3 | 1021010110221220120 |
4 | 131030012221311 |
5 | 2000331242440 |
6 | 120332122153 |
7 | 15064325331 |
oct | 3514065165 |
9 | 1233427816 |
10 | 489712245 |
11 | 231480070 |
12 | 118006359 |
13 | 7a5c2579 |
14 | 490787c1 |
15 | 2ced4dd0 |
hex | 1d306a75 |
489712245 has 16 divisors (see below), whose sum is σ = 854770752. Its totient is φ = 237436160.
The previous prime is 489712211. The next prime is 489712261. The reversal of 489712245 is 542217984.
It is not a de Polignac number, because 489712245 - 213 = 489704053 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 489712197 and 489712206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1483812 + ... + 1484141.
It is an arithmetic number, because the mean of its divisors is an integer number (53423172).
Almost surely, 2489712245 is an apocalyptic number.
It is an amenable number.
489712245 is a deficient number, since it is larger than the sum of its proper divisors (365058507).
489712245 is a wasteful number, since it uses less digits than its factorization.
489712245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2967972.
The product of its digits is 161280, while the sum is 42.
The square root of 489712245 is about 22129.4429437345. The cubic root of 489712245 is about 788.2191606346.
The spelling of 489712245 in words is "four hundred eighty-nine million, seven hundred twelve thousand, two hundred forty-five".
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