Base | Representation |
---|---|
bin | 1000001001111… |
… | …01010000001000 |
3 | 11202201111120210 |
4 | 10010331100020 |
5 | 120003031303 |
6 | 10442121120 |
7 | 1460314122 |
oct | 404752010 |
9 | 152644523 |
10 | 68408328 |
11 | 3568420a |
12 | 1aab01a0 |
13 | 11232201 |
14 | 912a212 |
15 | 6014203 |
hex | 413d408 |
68408328 has 32 divisors (see below), whose sum is σ = 173828160. Its totient is φ = 22428480.
The previous prime is 68408299. The next prime is 68408339. The reversal of 68408328 is 82380486.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21900 + ... + 24827.
It is an arithmetic number, because the mean of its divisors is an integer number (5432130).
Almost surely, 268408328 is an apocalyptic number.
It is an amenable number.
68408328 is an abundant number, since it is smaller than the sum of its proper divisors (105419832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68408328 is a wasteful number, since it uses less digits than its factorization.
68408328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46797 (or 46793 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 39.
The square root of 68408328 is about 8270.9327164474. The cubic root of 68408328 is about 408.9808676237.
The spelling of 68408328 in words is "sixty-eight million, four hundred eight thousand, three hundred twenty-eight".
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