Base | Representation |
---|---|
bin | 10111001110001… |
… | …000100100111000 |
3 | 1000011001202211002 |
4 | 113032020210320 |
5 | 1244213043422 |
6 | 102354024132 |
7 | 12440245664 |
oct | 2716104470 |
9 | 1004052732 |
10 | 389581112 |
11 | 18a9aa068 |
12 | aa578048 |
13 | 6293418b |
14 | 39a518a4 |
15 | 24306692 |
hex | 17388938 |
389581112 has 32 divisors (see below), whose sum is σ = 774360000. Its totient is φ = 183112704.
The previous prime is 389581109. The next prime is 389581117. The reversal of 389581112 is 211185983.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389581117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193889 + ... + 195887.
It is an arithmetic number, because the mean of its divisors is an integer number (24198750).
Almost surely, 2389581112 is an apocalyptic number.
It is an amenable number.
389581112 is a deficient number, since it is larger than the sum of its proper divisors (384778888).
389581112 is a wasteful number, since it uses less digits than its factorization.
389581112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3455 (or 3451 counting only the distinct ones).
The product of its digits is 17280, while the sum is 38.
The square root of 389581112 is about 19737.8091996047. The cubic root of 389581112 is about 730.3526862746.
The spelling of 389581112 in words is "three hundred eighty-nine million, five hundred eighty-one thousand, one hundred twelve".
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