Base | Representation |
---|---|
bin | 1011111010100010011 |
3 | 201211112222 |
4 | 1133110103 |
5 | 44443134 |
6 | 12211255 |
7 | 3214151 |
oct | 1372423 |
9 | 654488 |
10 | 390419 |
11 | 247367 |
12 | 169b2b |
13 | 108923 |
14 | a23d1 |
15 | 7aa2e |
hex | 5f513 |
390419 has 2 divisors, whose sum is σ = 390420. Its totient is φ = 390418.
The previous prime is 390413. The next prime is 390421. The reversal of 390419 is 914093.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-390419 is a prime.
It is a super-2 number, since 2×3904192 = 304853991122, which contains 22 as substring.
Together with 390421, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (390413) 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, 195209 + 195210.
It is an arithmetic number, because the mean of its divisors is an integer number (195210).
2390419 is an apocalyptic number.
390419 is a deficient number, since it is larger than the sum of its proper divisors (1).
390419 is an equidigital number, since it uses as much as digits as its factorization.
390419 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 972, while the sum is 26.
The square root of 390419 is about 624.8351782670. The cubic root of 390419 is about 73.0875911125.
The spelling of 390419 in words is "three hundred ninety thousand, four hundred nineteen".
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