Base | Representation |
---|---|
bin | 1000001001110… |
… | …01000100111110 |
3 | 11202200122010112 |
4 | 10010321010332 |
5 | 120002004410 |
6 | 10441510022 |
7 | 1460213225 |
oct | 404710476 |
9 | 152618115 |
10 | 68391230 |
11 | 35672386 |
12 | 1aaa2312 |
13 | 112274ab |
14 | 9123cbc |
15 | 600e105 |
hex | 413913e |
68391230 has 8 divisors (see below), whose sum is σ = 123104232. Its totient is φ = 27356488.
The previous prime is 68391229. The next prime is 68391277. The reversal of 68391230 is 3219386.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3419552 + ... + 3419571.
It is an arithmetic number, because the mean of its divisors is an integer number (15388029).
Almost surely, 268391230 is an apocalyptic number.
68391230 is a deficient number, since it is larger than the sum of its proper divisors (54713002).
68391230 is a wasteful number, since it uses less digits than its factorization.
68391230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6839130.
The product of its (nonzero) digits is 7776, while the sum is 32.
The square root of 68391230 is about 8269.8990320318. The cubic root of 68391230 is about 408.9467911803.
The spelling of 68391230 in words is "sixty-eight million, three hundred ninety-one thousand, two hundred thirty".
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