Base | Representation |
---|---|
bin | 1011110001111100100 |
3 | 201121112001 |
4 | 1132033210 |
5 | 44323040 |
6 | 12135044 |
7 | 3165265 |
oct | 1361744 |
9 | 647461 |
10 | 386020 |
11 | 244028 |
12 | 167484 |
13 | 10691b |
14 | a096c |
15 | 7959a |
hex | 5e3e4 |
386020 has 12 divisors (see below), whose sum is σ = 810684. Its totient is φ = 154400.
The previous prime is 386017. The next prime is 386039. The reversal of 386020 is 20683.
It can be written as a sum of positive squares in 2 ways, for example, as 178084 + 207936 = 422^2 + 456^2 .
It is a super-2 number, since 2×3860202 = 298022880800, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9631 + ... + 9670.
It is an arithmetic number, because the mean of its divisors is an integer number (67557).
2386020 is an apocalyptic number.
It is an amenable number.
386020 is an abundant number, since it is smaller than the sum of its proper divisors (424664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386020 is a wasteful number, since it uses less digits than its factorization.
386020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19310 (or 19308 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 386020 is about 621.3050780414. The cubic root of 386020 is about 72.8120517020.
The spelling of 386020 in words is "three hundred eighty-six thousand, twenty".
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