Base | Representation |
---|---|
bin | 1011110111001000010 |
3 | 201202011100 |
4 | 1132321002 |
5 | 44414144 |
6 | 12155230 |
7 | 3206106 |
oct | 1367102 |
9 | 652140 |
10 | 388674 |
11 | 246020 |
12 | 168b16 |
13 | 107bb0 |
14 | a1906 |
15 | 7a269 |
hex | 5ee42 |
388674 has 48 divisors (see below), whose sum is σ = 995904. Its totient is φ = 108000.
The previous prime is 388673. The next prime is 388691. The reversal of 388674 is 476883.
388674 = T156 + T157 + ... + T182.
It is a d-powerful number, because it can be written as 38 + 83 + 64 + 83 + 76 + 49 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (388673) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2499 + ... + 2649.
It is an arithmetic number, because the mean of its divisors is an integer number (20748).
2388674 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 388674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497952).
388674 is an abundant number, since it is smaller than the sum of its proper divisors (607230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388674 is a wasteful number, since it uses less digits than its factorization.
388674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183 (or 180 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 388674 is about 623.4372462405. The cubic root of 388674 is about 72.9785387591.
Subtracting 388674 from its reverse (476883), we obtain a square (88209 = 2972).
The spelling of 388674 in words is "three hundred eighty-eight thousand, six hundred seventy-four".
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