Base | Representation |
---|---|
bin | 10110101111001… |
… | …011111011011011 |
3 | 222120210121020111 |
4 | 112233023323123 |
5 | 1240123442004 |
6 | 101504105151 |
7 | 12311266465 |
oct | 2657137333 |
9 | 876717214 |
10 | 381468379 |
11 | 186368926 |
12 | a79051b7 |
13 | 61053646 |
14 | 3893d135 |
15 | 23752a04 |
hex | 16bcbedb |
381468379 has 2 divisors, whose sum is σ = 381468380. Its totient is φ = 381468378.
The previous prime is 381468343. The next prime is 381468397. The reversal of 381468379 is 973864183.
It is a happy number.
Together with next prime (381468397) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 381468379 - 27 = 381468251 is a prime.
It is not a weakly prime, because it can be changed into another prime (381468079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190734189 + 190734190.
It is an arithmetic number, because the mean of its divisors is an integer number (190734190).
Almost surely, 2381468379 is an apocalyptic number.
381468379 is a deficient number, since it is larger than the sum of its proper divisors (1).
381468379 is an equidigital number, since it uses as much as digits as its factorization.
381468379 is an evil number, because the sum of its binary digits is even.
The product of its digits is 870912, while the sum is 49.
The square root of 381468379 is about 19531.2155023695. The cubic root of 381468379 is about 725.2474012581.
The spelling of 381468379 in words is "three hundred eighty-one million, four hundred sixty-eight thousand, three hundred seventy-nine".
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