Base | Representation |
---|---|
bin | 10111001101010… |
… | …011100100001111 |
3 | 1000010122201222021 |
4 | 113031103210033 |
5 | 1244134121413 |
6 | 102345231011 |
7 | 12435352651 |
oct | 2715234417 |
9 | 1003581867 |
10 | 389363983 |
11 | 18a870a18 |
12 | aa492467 |
13 | 628893b8 |
14 | 399d66d1 |
15 | 242b218d |
hex | 1735390f |
389363983 has 2 divisors, whose sum is σ = 389363984. Its totient is φ = 389363982.
The previous prime is 389363963. The next prime is 389364013.
It is a happy number.
389363983 is nontrivially palindromic in base 10.
It is a weak prime.
It is a palprime.
It is a cyclic number.
It is not a de Polignac number, because 389363983 - 225 = 355809551 is a prime.
It is a super-2 number, since 2×3893639832 = 303208622515248578, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 389363983.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (389363963) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194681991 + 194681992.
It is an arithmetic number, because the mean of its divisors is an integer number (194681992).
Almost surely, 2389363983 is an apocalyptic number.
389363983 is a deficient number, since it is larger than the sum of its proper divisors (1).
389363983 is an equidigital number, since it uses as much as digits as its factorization.
389363983 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2519424, while the sum is 52.
The square root of 389363983 is about 19732.3081011827. The cubic root of 389363983 is about 730.2169762229.
It can be divided in two parts, 3893 and 63983, that added together give a palindrome (67876).
The spelling of 389363983 in words is "three hundred eighty-nine million, three hundred sixty-three thousand, nine hundred eighty-three".
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