Base | Representation |
---|---|
bin | 1011101010100001101 |
3 | 201102022100 |
4 | 1131110031 |
5 | 44212341 |
6 | 12105313 |
7 | 3151230 |
oct | 1352415 |
9 | 642270 |
10 | 382221 |
11 | 241194 |
12 | 165239 |
13 | 104c88 |
14 | 9d417 |
15 | 783b6 |
hex | 5d50d |
382221 has 12 divisors (see below), whose sum is σ = 631072. Its totient is φ = 218376.
The previous prime is 382189. The next prime is 382229. The reversal of 382221 is 122283.
It is a happy number.
It is not a de Polignac number, because 382221 - 25 = 382189 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 382194 and 382203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (382229) 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, 2971 + ... + 3096.
2382221 is an apocalyptic number.
It is an amenable number.
382221 is a deficient number, since it is larger than the sum of its proper divisors (248851).
382221 is a wasteful number, since it uses less digits than its factorization.
382221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6080 (or 6077 counting only the distinct ones).
The product of its digits is 192, while the sum is 18.
The square root of 382221 is about 618.2402445652. The cubic root of 382221 is about 72.5724048757.
The spelling of 382221 in words is "three hundred eighty-two thousand, two hundred twenty-one".
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