Base | Representation |
---|---|
bin | 1111101110000001010 |
3 | 222011120010 |
4 | 1331300022 |
5 | 112440312 |
6 | 15012350 |
7 | 4243461 |
oct | 1756012 |
9 | 864503 |
10 | 515082 |
11 | 321a97 |
12 | 20a0b6 |
13 | 1505a9 |
14 | d59d8 |
15 | a293c |
hex | 7dc0a |
515082 has 8 divisors (see below), whose sum is σ = 1030176. Its totient is φ = 171692.
The previous prime is 515041. The next prime is 515087. The reversal of 515082 is 280515.
515082 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
515082 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (515087) by changing a digit.
515082 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, 42918 + ... + 42929.
It is an arithmetic number, because the mean of its divisors is an integer number (128772).
2515082 is an apocalyptic number.
515082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
515082 is a wasteful number, since it uses less digits than its factorization.
515082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85852.
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 515082 is about 717.6921345535. The cubic root of 515082 is about 80.1601998194.
Adding to 515082 its reverse (280515), we get a palindrome (795597).
The spelling of 515082 in words is "five hundred fifteen thousand, eighty-two".
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