Base | Representation |
---|---|
bin | 1000001000010… |
… | …11010100110000 |
3 | 11202100010001120 |
4 | 10010023110300 |
5 | 114430010244 |
6 | 10433502240 |
7 | 1455502653 |
oct | 404132460 |
9 | 152303046 |
10 | 68203824 |
11 | 355545a7 |
12 | 1aa11980 |
13 | 111900c0 |
14 | 90b589a |
15 | 5ec3819 |
hex | 410b530 |
68203824 has 80 divisors (see below), whose sum is σ = 196341600. Its totient is φ = 20256768.
The previous prime is 68203801. The next prime is 68203829. The reversal of 68203824 is 42830286.
It is not an unprimeable number, because it can be changed into a prime (68203829) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16212 + ... + 19980.
It is an arithmetic number, because the mean of its divisors is an integer number (2454270).
Almost surely, 268203824 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68203824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98170800).
68203824 is an abundant number, since it is smaller than the sum of its proper divisors (128137776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68203824 is a wasteful number, since it uses less digits than its factorization.
68203824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3822 (or 3816 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 33.
The square root of 68203824 is about 8258.5606494110. The cubic root of 68203824 is about 408.5729167748.
The spelling of 68203824 in words is "sixty-eight million, two hundred three thousand, eight hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •