Base | Representation |
---|---|
bin | 11101001100101… |
… | …100010000001101 |
3 | 1021010202210011120 |
4 | 131030230100031 |
5 | 2000401210003 |
6 | 120335311153 |
7 | 15065536332 |
oct | 3514542015 |
9 | 1233683146 |
10 | 489866253 |
11 | 231575848 |
12 | 11807b4b9 |
13 | 7a6476b6 |
14 | 490b8989 |
15 | 2d015853 |
hex | 1d32c40d |
489866253 has 8 divisors (see below), whose sum is σ = 654753600. Its totient is φ = 325778208.
The previous prime is 489866243. The next prime is 489866263. The reversal of 489866253 is 352668984.
It is an interprime number because it is at equal distance from previous prime (489866243) and next prime (489866263).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 489866253 - 28 = 489865997 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 489866196 and 489866205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489866243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198393 + ... + 200846.
It is an arithmetic number, because the mean of its divisors is an integer number (81844200).
Almost surely, 2489866253 is an apocalyptic number.
It is an amenable number.
489866253 is a deficient number, since it is larger than the sum of its proper divisors (164887347).
489866253 is a wasteful number, since it uses less digits than its factorization.
489866253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 399651.
The product of its digits is 2488320, while the sum is 51.
The square root of 489866253 is about 22132.9223782130. The cubic root of 489866253 is about 788.3017801284.
The spelling of 489866253 in words is "four hundred eighty-nine million, eight hundred sixty-six thousand, two hundred fifty-three".
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