Base | Representation |
---|---|
bin | 10011001011000111010 |
3 | 1011220211201 |
4 | 2121120322 |
5 | 130101112 |
6 | 21244414 |
7 | 5224504 |
oct | 2313072 |
9 | 1156751 |
10 | 628282 |
11 | 39a046 |
12 | 26370a |
13 | 18cc85 |
14 | 124d74 |
15 | c6257 |
hex | 9963a |
628282 has 8 divisors (see below), whose sum is σ = 949716. Its totient is φ = 311712.
The previous prime is 628267. The next prime is 628289. The reversal of 628282 is 282826.
It is a happy number.
628282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 625681 + 2601 = 791^2 + 51^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 628282.
It is not an unprimeable number, because it can be changed into a prime (628289) by changing a digit.
628282 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873 + ... + 1420.
2628282 is an apocalyptic number.
628282 is a deficient number, since it is larger than the sum of its proper divisors (321434).
628282 is a wasteful number, since it uses less digits than its factorization.
628282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2432.
The product of its digits is 3072, while the sum is 28.
The square root of 628282 is about 792.6424162256. The cubic root of 628282 is about 85.6481932305.
The spelling of 628282 in words is "six hundred twenty-eight thousand, two hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •