Base | Representation |
---|---|
bin | 10111001101101… |
… | …101000100110101 |
3 | 1000010212001022010 |
4 | 113031231010311 |
5 | 1244200442334 |
6 | 102351354433 |
7 | 12436266405 |
oct | 2715550465 |
9 | 1003761263 |
10 | 389468469 |
11 | 18a932475 |
12 | aa522a19 |
13 | 628c4b20 |
14 | 39a22805 |
15 | 242d30e9 |
hex | 1736d135 |
389468469 has 32 divisors (see below), whose sum is σ = 586851328. Its totient is φ = 228096000.
The previous prime is 389468467. The next prime is 389468473. The reversal of 389468469 is 964864983.
It is not a de Polignac number, because 389468469 - 21 = 389468467 is a prime.
It is a super-4 number, since 4×3894684694 (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389468467) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71109 + ... + 76389.
It is an arithmetic number, because the mean of its divisors is an integer number (18339104).
Almost surely, 2389468469 is an apocalyptic number.
389468469 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
It is an amenable number.
389468469 is a deficient number, since it is larger than the sum of its proper divisors (197382859).
389468469 is a wasteful number, since it uses less digits than its factorization.
389468469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5389.
The product of its digits is 8957952, while the sum is 57.
The square root of 389468469 is about 19734.9555104642. The cubic root of 389468469 is about 730.2822883990.
The spelling of 389468469 in words is "three hundred eighty-nine million, four hundred sixty-eight thousand, four hundred sixty-nine".
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