Base | Representation |
---|---|
bin | 1000001000011… |
… | …00111010101010 |
3 | 11202100110000010 |
4 | 10010030322222 |
5 | 114430212341 |
6 | 10433552350 |
7 | 1455530661 |
oct | 404147252 |
9 | 152313003 |
10 | 68210346 |
11 | 35559496 |
12 | 1aa156b6 |
13 | 11193069 |
14 | 90b7dd8 |
15 | 5ec5716 |
hex | 410ceaa |
68210346 has 8 divisors (see below), whose sum is σ = 136420704. Its totient is φ = 22736780.
The previous prime is 68210309. The next prime is 68210357. The reversal of 68210346 is 64301286.
It is a sphenic number, since it is the product of 3 distinct primes.
68210346 is an admirable number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5684190 + ... + 5684201.
It is an arithmetic number, because the mean of its divisors is an integer number (17052588).
Almost surely, 268210346 is an apocalyptic number.
68210346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68210346 is a wasteful number, since it uses less digits than its factorization.
68210346 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11368396.
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 68210346 is about 8258.9555029677. The cubic root of 68210346 is about 408.5859396400.
The spelling of 68210346 in words is "sixty-eight million, two hundred ten thousand, three hundred forty-six".
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