Base | Representation |
---|---|
bin | 10111001110101… |
… | …111110010011111 |
3 | 1000011100221010210 |
4 | 113032233302133 |
5 | 1244233213402 |
6 | 102401303503 |
7 | 12441515154 |
oct | 2716576237 |
9 | 1004327123 |
10 | 389741727 |
11 | 18aaa9801 |
12 | aa634b93 |
13 | 6298c30b |
14 | 39a9422b |
15 | 2433906c |
hex | 173afc9f |
389741727 has 8 divisors (see below), whose sum is σ = 519886080. Its totient is φ = 259712600.
The previous prime is 389741659. The next prime is 389741731. The reversal of 389741727 is 727147983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 389741727 - 222 = 385547423 is a prime.
It is a super-2 number, since 2×3897417272 = 303797227529885058, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389741797) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20577 + ... + 34682.
It is an arithmetic number, because the mean of its divisors is an integer number (64985760).
Almost surely, 2389741727 is an apocalyptic number.
389741727 is a deficient number, since it is larger than the sum of its proper divisors (130144353).
389741727 is a wasteful number, since it uses less digits than its factorization.
389741727 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57613.
The product of its digits is 592704, while the sum is 48.
The square root of 389741727 is about 19741.8774943013. The cubic root of 389741727 is about 730.4530414818.
The spelling of 389741727 in words is "three hundred eighty-nine million, seven hundred forty-one thousand, seven hundred twenty-seven".
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