Base | Representation |
---|---|
bin | 1011111010100111111 |
3 | 201211121121 |
4 | 1133110333 |
5 | 44443323 |
6 | 12211411 |
7 | 3214243 |
oct | 1372477 |
9 | 654547 |
10 | 390463 |
11 | 2473a7 |
12 | 169b67 |
13 | 108958 |
14 | a2423 |
15 | 7aa5d |
hex | 5f53f |
390463 has 2 divisors, whose sum is σ = 390464. Its totient is φ = 390462.
The previous prime is 390449. The next prime is 390479. The reversal of 390463 is 364093.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 390463 - 213 = 382271 is a prime.
It is a super-2 number, since 2×3904632 = 304922708738, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (390413) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195231 + 195232.
It is an arithmetic number, because the mean of its divisors is an integer number (195232).
2390463 is an apocalyptic number.
390463 is a deficient number, since it is larger than the sum of its proper divisors (1).
390463 is an equidigital number, since it uses as much as digits as its factorization.
390463 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 25.
The square root of 390463 is about 624.8703865603. The cubic root of 390463 is about 73.0903366527.
The spelling of 390463 in words is "three hundred ninety thousand, four hundred sixty-three".
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