Base | Representation |
---|---|
bin | 1011110110010001001 |
3 | 201201120000 |
4 | 1132302021 |
5 | 44410413 |
6 | 12153213 |
7 | 3204606 |
oct | 1366211 |
9 | 651500 |
10 | 388233 |
11 | 24575a |
12 | 168809 |
13 | 107931 |
14 | a16ad |
15 | 7a073 |
hex | 5ec89 |
388233 has 10 divisors (see below), whose sum is σ = 580074. Its totient is φ = 258768.
The previous prime is 388231. The next prime is 388237. The reversal of 388233 is 332883.
It can be written as a sum of positive squares in only one way, i.e., 374544 + 13689 = 612^2 + 117^2 .
It is not a de Polignac number, because 388233 - 21 = 388231 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 388197 and 388206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (388231) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2316 + ... + 2477.
2388233 is an apocalyptic number.
It is an amenable number.
388233 is a deficient number, since it is larger than the sum of its proper divisors (191841).
388233 is an equidigital number, since it uses as much as digits as its factorization.
388233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4805 (or 4796 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
The square root of 388233 is about 623.0834615042. The cubic root of 388233 is about 72.9509271743.
The spelling of 388233 in words is "three hundred eighty-eight thousand, two hundred thirty-three".
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