Base | Representation |
---|---|
bin | 10110111111101… |
… | …100100000101011 |
3 | 222212221110210220 |
4 | 112333230200223 |
5 | 1242230434024 |
6 | 102140541123 |
7 | 12363133041 |
oct | 2677544053 |
9 | 885843726 |
10 | 385796139 |
11 | 188854393 |
12 | a92517a3 |
13 | 61c0a451 |
14 | 39348391 |
15 | 23d09e79 |
hex | 16fec82b |
385796139 has 8 divisors (see below), whose sum is σ = 515507712. Its totient is φ = 256641000.
The previous prime is 385796123. The next prime is 385796143. The reversal of 385796139 is 931697583.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 385796139 - 24 = 385796123 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 385796091 and 385796100.
It is not an unprimeable number, because it can be changed into a prime (385796189) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137487 + ... + 140264.
It is an arithmetic number, because the mean of its divisors is an integer number (64438464).
Almost surely, 2385796139 is an apocalyptic number.
385796139 is a deficient number, since it is larger than the sum of its proper divisors (129711573).
385796139 is a wasteful number, since it uses less digits than its factorization.
385796139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278217.
The product of its digits is 1224720, while the sum is 51.
The square root of 385796139 is about 19641.6938933484. The cubic root of 385796139 is about 727.9797390761.
The spelling of 385796139 in words is "three hundred eighty-five million, seven hundred ninety-six thousand, one hundred thirty-nine".
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