Base | Representation |
---|---|
bin | 10110110100100… |
… | …101100010010101 |
3 | 222200110112002111 |
4 | 112310211202111 |
5 | 1241004241424 |
6 | 101554311021 |
7 | 12326313565 |
oct | 2664454225 |
9 | 880415074 |
10 | 382883989 |
11 | 187145454 |
12 | a8288471 |
13 | 6142aa97 |
14 | 38bcada5 |
15 | 23932194 |
hex | 16d25895 |
382883989 has 2 divisors, whose sum is σ = 382883990. Its totient is φ = 382883988.
The previous prime is 382883987. The next prime is 382883993. The reversal of 382883989 is 989388283.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 254243025 + 128640964 = 15945^2 + 11342^2 .
It is a cyclic number.
It is not a de Polignac number, because 382883989 - 21 = 382883987 is a prime.
Together with 382883987, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (382883983) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191441994 + 191441995.
It is an arithmetic number, because the mean of its divisors is an integer number (191441995).
Almost surely, 2382883989 is an apocalyptic number.
It is an amenable number.
382883989 is a deficient number, since it is larger than the sum of its proper divisors (1).
382883989 is an equidigital number, since it uses as much as digits as its factorization.
382883989 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5971968, while the sum is 58.
The square root of 382883989 is about 19567.4216237091. The cubic root of 382883989 is about 726.1434127157.
The spelling of 382883989 in words is "three hundred eighty-two million, eight hundred eighty-three thousand, nine hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •