Base | Representation |
---|---|
bin | 1000001011011101111 |
3 | 111121122111 |
4 | 1001123233 |
5 | 32034030 |
6 | 5424451 |
7 | 2164246 |
oct | 1013357 |
9 | 447574 |
10 | 268015 |
11 | 173400 |
12 | 10b127 |
13 | 94cb7 |
14 | 6d95d |
15 | 5462a |
hex | 416ef |
268015 has 12 divisors (see below), whose sum is σ = 354312. Its totient is φ = 194480.
The previous prime is 268013. The next prime is 268043. The reversal of 268015 is 510862.
It is a happy number.
It is not a de Polignac number, because 268015 - 21 = 268013 is a prime.
It is an Ulam number.
It is a Duffinian number.
268015 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268013) 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 11 ways as a sum of consecutive naturals, for example, 384 + ... + 826.
It is an arithmetic number, because the mean of its divisors is an integer number (29526).
2268015 is an apocalyptic number.
268015 is a deficient number, since it is larger than the sum of its proper divisors (86297).
268015 is a wasteful number, since it uses less digits than its factorization.
268015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 470 (or 459 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 268015 is about 517.7016515330. The cubic root of 268015 is about 64.4742601058.
Adding to 268015 its reverse (510862), we get a palindrome (778877).
The spelling of 268015 in words is "two hundred sixty-eight thousand, fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •