Base | Representation |
---|---|
bin | 1011110110010101101 |
3 | 201201121100 |
4 | 1132302231 |
5 | 44411034 |
6 | 12153313 |
7 | 3204660 |
oct | 1366255 |
9 | 651540 |
10 | 388269 |
11 | 245792 |
12 | 168839 |
13 | 10795b |
14 | a16d7 |
15 | 7a099 |
hex | 5ecad |
388269 has 12 divisors (see below), whose sum is σ = 641056. Its totient is φ = 221832.
The previous prime is 388259. The next prime is 388273. The reversal of 388269 is 962883.
It is not a de Polignac number, because 388269 - 24 = 388253 is a prime.
It is a super-2 number, since 2×3882692 = 301505632722, which contains 22 as substring.
It is an Ulam number.
It is a Duffinian number.
388269 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (388259) 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, 3019 + ... + 3144.
2388269 is an apocalyptic number.
It is an amenable number.
388269 is a deficient number, since it is larger than the sum of its proper divisors (252787).
388269 is a wasteful number, since it uses less digits than its factorization.
388269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6176 (or 6173 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 388269 is about 623.1123494202. The cubic root of 388269 is about 72.9531819647.
The spelling of 388269 in words is "three hundred eighty-eight thousand, two hundred sixty-nine".
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