Base | Representation |
---|---|
bin | 1110110111110000001 |
3 | 220202110001 |
4 | 1312332001 |
5 | 111043142 |
6 | 14240001 |
7 | 4066456 |
oct | 1667601 |
9 | 822401 |
10 | 487297 |
11 | 303128 |
12 | 1b6001 |
13 | 140a55 |
14 | c982d |
15 | 995b7 |
hex | 76f81 |
487297 has 4 divisors (see below), whose sum is σ = 488880. Its totient is φ = 485716.
The previous prime is 487283. The next prime is 487303. The reversal of 487297 is 792784.
It is a happy number.
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 a de Polignac number, because none of the positive numbers 2k-487297 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (487247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163 + ... + 1000.
It is an arithmetic number, because the mean of its divisors is an integer number (122220).
2487297 is an apocalyptic number.
It is an amenable number.
487297 is a deficient number, since it is larger than the sum of its proper divisors (1583).
487297 is a wasteful number, since it uses less digits than its factorization.
487297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1582.
The product of its digits is 28224, while the sum is 37.
The square root of 487297 is about 698.0666157323. The cubic root of 487297 is about 78.6921200631.
It can be divided in two parts, 487 and 297, that added together give a square (784 = 282).
The spelling of 487297 in words is "four hundred eighty-seven thousand, two hundred ninety-seven".
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