Base | Representation |
---|---|
bin | 1000001001001… |
… | …01011001000000 |
3 | 11202112112111221 |
4 | 10010211121000 |
5 | 114441414332 |
6 | 10440044424 |
7 | 1456426150 |
oct | 404453100 |
9 | 152475457 |
10 | 68310592 |
11 | 35617839 |
12 | 1aa63714 |
13 | 111c988c |
14 | 9102760 |
15 | 5ee5297 |
hex | 4125640 |
68310592 has 56 divisors (see below), whose sum is σ = 158739840. Its totient is φ = 28554240.
The previous prime is 68310569. The next prime is 68310611. The reversal of 68310592 is 29501386.
It is a tau number, because it is divible by the number of its divisors (56).
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
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, 16509 + ... + 20227.
It is an arithmetic number, because the mean of its divisors is an integer number (2834640).
Almost surely, 268310592 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 68310592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79369920).
68310592 is an abundant number, since it is smaller than the sum of its proper divisors (90429248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68310592 is a wasteful number, since it uses less digits than its factorization.
68310592 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3779 (or 3769 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 68310592 is about 8265.0222020270. The cubic root of 68310592 is about 408.7860024338.
The spelling of 68310592 in words is "sixty-eight million, three hundred ten thousand, five hundred ninety-two".
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