Base | Representation |
---|---|
bin | 1011111010010100011 |
3 | 201211101211 |
4 | 1133102203 |
5 | 44442212 |
6 | 12210551 |
7 | 3213631 |
oct | 1372243 |
9 | 654354 |
10 | 390307 |
11 | 247275 |
12 | 169a57 |
13 | 108868 |
14 | a2351 |
15 | 7a9a7 |
hex | 5f4a3 |
390307 has 2 divisors, whose sum is σ = 390308. Its totient is φ = 390306.
The previous prime is 390289. The next prime is 390323. The reversal of 390307 is 703093.
390307 is nontrivially palindromic in base 15.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 390307 - 211 = 388259 is a prime.
390307 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (390347) by changing a digit.
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 as a sum of consecutive naturals, namely, 195153 + 195154.
It is an arithmetic number, because the mean of its divisors is an integer number (195154).
2390307 is an apocalyptic number.
390307 is a deficient number, since it is larger than the sum of its proper divisors (1).
390307 is an equidigital number, since it uses as much as digits as its factorization.
390307 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 567, while the sum is 22.
The square root of 390307 is about 624.7455482034. The cubic root of 390307 is about 73.0806015337.
The spelling of 390307 in words is "three hundred ninety thousand, three hundred seven".
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