Base | Representation |
---|---|
bin | 1000000111011… |
… | …00001100000010 |
3 | 11202002122010002 |
4 | 10003230030002 |
5 | 114411420130 |
6 | 10431040002 |
7 | 1454432102 |
oct | 403541402 |
9 | 152078102 |
10 | 68076290 |
11 | 354777a7 |
12 | 1a970002 |
13 | 11147039 |
14 | 9081202 |
15 | 5e9ab45 |
hex | 40ec302 |
68076290 has 8 divisors (see below), whose sum is σ = 122537340. Its totient is φ = 27230512.
The previous prime is 68076241. The next prime is 68076301. The reversal of 68076290 is 9267086.
It can be written as a sum of positive squares in 2 ways, for example, as 67190809 + 885481 = 8197^2 + 941^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon 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, 3403805 + ... + 3403824.
Almost surely, 268076290 is an apocalyptic number.
68076290 is a deficient number, since it is larger than the sum of its proper divisors (54461050).
68076290 is a wasteful number, since it uses less digits than its factorization.
68076290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6807636.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 68076290 is about 8250.8357152473. The cubic root of 68076290 is about 408.3180950397.
The spelling of 68076290 in words is "sixty-eight million, seventy-six thousand, two hundred ninety".
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