Base | Representation |
---|---|
bin | 10110101010010… |
… | …011000010110001 |
3 | 222111101111020122 |
4 | 112222103002301 |
5 | 1234311434201 |
6 | 101420420025 |
7 | 12264351221 |
oct | 2652230261 |
9 | 874344218 |
10 | 380186801 |
11 | 185672a75 |
12 | a73a7615 |
13 | 609c5207 |
14 | 386c8081 |
15 | 2359ce1b |
hex | 16a930b1 |
380186801 has 2 divisors, whose sum is σ = 380186802. Its totient is φ = 380186800.
The previous prime is 380186797. The next prime is 380186867. The reversal of 380186801 is 108681083.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 325441600 + 54745201 = 18040^2 + 7399^2 .
It is a cyclic number.
It is not a de Polignac number, because 380186801 - 22 = 380186797 is a prime.
It is a super-2 number, since 2×3801868012 = 289084007309227202, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (380116801) 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 as a sum of consecutive naturals, namely, 190093400 + 190093401.
It is an arithmetic number, because the mean of its divisors is an integer number (190093401).
Almost surely, 2380186801 is an apocalyptic number.
It is an amenable number.
380186801 is a deficient number, since it is larger than the sum of its proper divisors (1).
380186801 is an equidigital number, since it uses as much as digits as its factorization.
380186801 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9216, while the sum is 35.
The square root of 380186801 is about 19498.3794454821. The cubic root of 380186801 is about 724.4343116441.
The spelling of 380186801 in words is "three hundred eighty million, one hundred eighty-six thousand, eight hundred one".
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