Base | Representation |
---|---|
bin | 10111001101101… |
… | …011110000101111 |
3 | 1000010211202220210 |
4 | 113031223300233 |
5 | 1244200304322 |
6 | 102351313503 |
7 | 12436244616 |
oct | 2715536057 |
9 | 1003752823 |
10 | 389463087 |
11 | 18a929422 |
12 | aa51b893 |
13 | 628c2540 |
14 | 39a2087d |
15 | 242d170c |
hex | 1736bc2f |
389463087 has 8 divisors (see below), whose sum is σ = 559229104. Its totient is φ = 239669568.
The previous prime is 389463077. The next prime is 389463089. The reversal of 389463087 is 780364983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 389463087 - 218 = 389200943 is a prime.
It is a super-2 number, since 2×3894630872 = 303362992271139138, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389463089) 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, 4993078 + ... + 4993155.
It is an arithmetic number, because the mean of its divisors is an integer number (69903638).
Almost surely, 2389463087 is an apocalyptic number.
389463087 is a deficient number, since it is larger than the sum of its proper divisors (169766017).
389463087 is a wasteful number, since it uses less digits than its factorization.
389463087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9986249.
The product of its (nonzero) digits is 870912, while the sum is 48.
The square root of 389463087 is about 19734.8191529591. The cubic root of 389463087 is about 730.2789245004.
The spelling of 389463087 in words is "three hundred eighty-nine million, four hundred sixty-three thousand, eighty-seven".
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