Base | Representation |
---|---|
bin | 1000001100110… |
… | …11111100001010 |
3 | 11210110012121022 |
4 | 10012123330022 |
5 | 120102434140 |
6 | 10454312442 |
7 | 1463520632 |
oct | 406337412 |
9 | 153405538 |
10 | 68796170 |
11 | 35919643 |
12 | 1b058722 |
13 | 113398c1 |
14 | 91cb6c2 |
15 | 608e0b5 |
hex | 419bf0a |
68796170 has 16 divisors (see below), whose sum is σ = 124190280. Its totient is φ = 27439104.
The previous prime is 68796139. The next prime is 68796179. The reversal of 68796170 is 7169786.
It can be written as a sum of positive squares in 4 ways, for example, as 30813601 + 37982569 = 5551^2 + 6163^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (68796179) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6215 + ... + 13274.
Almost surely, 268796170 is an apocalyptic number.
68796170 is a deficient number, since it is larger than the sum of its proper divisors (55394110).
68796170 is a wasteful number, since it uses less digits than its factorization.
68796170 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19849.
The product of its (nonzero) digits is 127008, while the sum is 44.
The square root of 68796170 is about 8294.3456643668. The cubic root of 68796170 is about 409.7523191748.
The spelling of 68796170 in words is "sixty-eight million, seven hundred ninety-six thousand, one hundred seventy".
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