Base | Representation |
---|---|
bin | 1011110000010100011 |
3 | 201120101012 |
4 | 1132002203 |
5 | 44311222 |
6 | 12131135 |
7 | 3162665 |
oct | 1360243 |
9 | 646335 |
10 | 385187 |
11 | 243440 |
12 | 166aab |
13 | 10642a |
14 | a0535 |
15 | 791e2 |
hex | 5e0a3 |
385187 has 12 divisors (see below), whose sum is σ = 448056. Its totient is φ = 328320.
The previous prime is 385171. The next prime is 385193. The reversal of 385187 is 781583.
It is not a de Polignac number, because 385187 - 24 = 385171 is a prime.
It is a Duffinian number.
It is a plaindrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (385127) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3923 + ... + 4019.
It is an arithmetic number, because the mean of its divisors is an integer number (37338).
2385187 is an apocalyptic number.
385187 is a deficient number, since it is larger than the sum of its proper divisors (62869).
385187 is a wasteful number, since it uses less digits than its factorization.
385187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146 (or 127 counting only the distinct ones).
The product of its digits is 6720, while the sum is 32.
The square root of 385187 is about 620.6343529003. The cubic root of 385187 is about 72.7596398070.
It can be divided in two parts, 38 and 5187, that added together give a palindrome (5225).
The spelling of 385187 in words is "three hundred eighty-five thousand, one hundred eighty-seven".
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