Base | Representation |
---|---|
bin | 10111001011101… |
… | …110000100111011 |
3 | 1000002212121201222 |
4 | 113023232010323 |
5 | 1244032321113 |
6 | 102332302255 |
7 | 12432002003 |
oct | 2713560473 |
9 | 1002777658 |
10 | 388948283 |
11 | 18a607669 |
12 | aa31198b |
13 | 62772119 |
14 | 39929003 |
15 | 2422de08 |
hex | 172ee13b |
388948283 has 2 divisors, whose sum is σ = 388948284. Its totient is φ = 388948282.
The previous prime is 388948267. The next prime is 388948303. The reversal of 388948283 is 382849883.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 388948283 - 24 = 388948267 is a prime.
It is not a weakly prime, because it can be changed into another prime (388948223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194474141 + 194474142.
It is an arithmetic number, because the mean of its divisors is an integer number (194474142).
Almost surely, 2388948283 is an apocalyptic number.
388948283 is a deficient number, since it is larger than the sum of its proper divisors (1).
388948283 is an equidigital number, since it uses as much as digits as its factorization.
388948283 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2654208, while the sum is 53.
The square root of 388948283 is about 19721.7718017424. The cubic root of 388948283 is about 729.9570144201.
The spelling of 388948283 in words is "three hundred eighty-eight million, nine hundred forty-eight thousand, two hundred eighty-three".
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