Base | Representation |
---|---|
bin | 1000001001101… |
… | …11100011000000 |
3 | 11202200022112022 |
4 | 10010313203000 |
5 | 120001304320 |
6 | 10441421012 |
7 | 1460156030 |
oct | 404674300 |
9 | 152608468 |
10 | 68384960 |
11 | 356686a6 |
12 | 1aa9a768 |
13 | 11224697 |
14 | 91218c0 |
15 | 600c325 |
hex | 41378c0 |
68384960 has 56 divisors (see below), whose sum is σ = 186110880. Its totient is φ = 23445504.
The previous prime is 68384959. The next prime is 68384963. The reversal of 68384960 is 6948386.
It is a tau number, because it is divible by the number of its divisors (56).
It is not an unprimeable number, because it can be changed into a prime (68384963) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13025 + ... + 17504.
Almost surely, 268384960 is an apocalyptic number.
It is an amenable number.
68384960 is an abundant number, since it is smaller than the sum of its proper divisors (117725920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68384960 is a wasteful number, since it uses less digits than its factorization.
68384960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30553 (or 30543 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 44.
The square root of 68384960 is about 8269.5199376989. The cubic root of 68384960 is about 408.9342935996.
The spelling of 68384960 in words is "sixty-eight million, three hundred eighty-four thousand, nine hundred sixty".
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