Base | Representation |
---|---|
bin | 11101001010111… |
… | …000100010010001 |
3 | 1021002212200222202 |
4 | 131022320202101 |
5 | 2000241023043 |
6 | 120321212545 |
7 | 15061523426 |
oct | 3512704221 |
9 | 1232780882 |
10 | 489392273 |
11 | 231281727 |
12 | 117a91155 |
13 | 7a50ca36 |
14 | 48dd3d4d |
15 | 2ce701b8 |
hex | 1d2b8891 |
489392273 has 4 divisors (see below), whose sum is σ = 489996528. Its totient is φ = 488788020.
The previous prime is 489392269. The next prime is 489392287. The reversal of 489392273 is 372293984.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 489392273 - 22 = 489392269 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (489392263) 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 3 ways as a sum of consecutive naturals, for example, 300911 + ... + 302532.
It is an arithmetic number, because the mean of its divisors is an integer number (122499132).
Almost surely, 2489392273 is an apocalyptic number.
It is an amenable number.
489392273 is a deficient number, since it is larger than the sum of its proper divisors (604255).
489392273 is an equidigital number, since it uses as much as digits as its factorization.
489392273 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 604254.
The product of its digits is 653184, while the sum is 47.
The square root of 489392273 is about 22122.2122085473. The cubic root of 489392273 is about 788.0474523075.
The spelling of 489392273 in words is "four hundred eighty-nine million, three hundred ninety-two thousand, two hundred seventy-three".
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