Base | Representation |
---|---|
bin | 1011110110001100000 |
3 | 201201111111 |
4 | 1132301200 |
5 | 44410232 |
6 | 12153104 |
7 | 3204520 |
oct | 1366140 |
9 | 651444 |
10 | 388192 |
11 | 245722 |
12 | 168794 |
13 | 1078cc |
14 | a1680 |
15 | 7a047 |
hex | 5ec60 |
388192 has 24 divisors (see below), whose sum is σ = 873936. Its totient is φ = 166272.
The previous prime is 388187. The next prime is 388211. The reversal of 388192 is 291883.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
388192 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643 + ... + 1090.
It is an arithmetic number, because the mean of its divisors is an integer number (36414).
2388192 is an apocalyptic number.
388192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
388192 is an abundant number, since it is smaller than the sum of its proper divisors (485744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388192 is a wasteful number, since it uses less digits than its factorization.
388192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1750 (or 1742 counting only the distinct ones).
The product of its digits is 3456, while the sum is 31.
The square root of 388192 is about 623.0505597462. The cubic root of 388192 is about 72.9483590487.
The spelling of 388192 in words is "three hundred eighty-eight thousand, one hundred ninety-two".
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