Base | Representation |
---|---|
bin | 1000000100010… |
… | …11011101010110 |
3 | 11201100111121212 |
4 | 10002023131112 |
5 | 114311230321 |
6 | 10414341422 |
7 | 1451162015 |
oct | 402133526 |
9 | 151314555 |
10 | 67680086 |
11 | 35227061 |
12 | 1a7ba872 |
13 | 110388b6 |
14 | 8dbaa7c |
15 | 5e1d55b |
hex | 408b756 |
67680086 has 8 divisors (see below), whose sum is σ = 102052224. Its totient is φ = 33662680.
The previous prime is 67680061. The next prime is 67680091. The reversal of 67680086 is 68008676.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 88205 + ... + 88968.
It is an arithmetic number, because the mean of its divisors is an integer number (12756528).
Almost surely, 267680086 is an apocalyptic number.
67680086 is a deficient number, since it is larger than the sum of its proper divisors (34372138).
67680086 is a wasteful number, since it uses less digits than its factorization.
67680086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177366.
The product of its (nonzero) digits is 96768, while the sum is 41.
The square root of 67680086 is about 8226.7907473085. The cubic root of 67680086 is about 407.5244162168.
The spelling of 67680086 in words is "sixty-seven million, six hundred eighty thousand, eighty-six".
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