Base | Representation |
---|---|
bin | 11011101001100… |
… | …100000010111101 |
3 | 1012022212120020212 |
4 | 123221210002331 |
5 | 1422223133011 |
6 | 114010322205 |
7 | 14331626636 |
oct | 3351440275 |
9 | 1168776225 |
10 | 463880381 |
11 | 218937218 |
12 | 10b429365 |
13 | 75149843 |
14 | 4587288d |
15 | 2aad108b |
hex | 1ba640bd |
463880381 has 2 divisors, whose sum is σ = 463880382. Its totient is φ = 463880380.
The previous prime is 463880323. The next prime is 463880419. The reversal of 463880381 is 183088364.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 298114756 + 165765625 = 17266^2 + 12875^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-463880381 is a prime.
It is a super-2 number, since 2×4638803812 = 430370015753410322, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (463880321) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231940190 + 231940191.
It is an arithmetic number, because the mean of its divisors is an integer number (231940191).
Almost surely, 2463880381 is an apocalyptic number.
It is an amenable number.
463880381 is a deficient number, since it is larger than the sum of its proper divisors (1).
463880381 is an equidigital number, since it uses as much as digits as its factorization.
463880381 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 110592, while the sum is 41.
The square root of 463880381 is about 21537.8824632321. The cubic root of 463880381 is about 774.1087950525.
The spelling of 463880381 in words is "four hundred sixty-three million, eight hundred eighty thousand, three hundred eighty-one".
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