Base | Representation |
---|---|
bin | 1011110101111100111 |
3 | 201201100000 |
4 | 1132233213 |
5 | 44404241 |
6 | 12152343 |
7 | 3204255 |
oct | 1365747 |
9 | 651300 |
10 | 388071 |
11 | 245622 |
12 | 1686b3 |
13 | 107838 |
14 | a15d5 |
15 | 79eb6 |
hex | 5ebe7 |
388071 has 12 divisors (see below), whose sum is σ = 581672. Its totient is φ = 258552.
The previous prime is 388067. The next prime is 388081. The reversal of 388071 is 170883.
It is not a de Polignac number, because 388071 - 22 = 388067 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (388051) 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, 556 + ... + 1041.
2388071 is an apocalyptic number.
388071 is a deficient number, since it is larger than the sum of its proper divisors (193601).
388071 is an equidigital number, since it uses as much as digits as its factorization.
It is an anagram of its base 13 representation: 388071 = (107838)13.
388071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1612 (or 1600 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 388071 is about 622.9534493042. The cubic root of 388071 is about 72.9407788919.
The spelling of 388071 in words is "three hundred eighty-eight thousand, seventy-one".
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