Base | Representation |
---|---|
bin | 10110110000100… |
… | …100110000001001 |
3 | 222121111002022101 |
4 | 112300210300021 |
5 | 1240222112301 |
6 | 101515553401 |
7 | 12314343262 |
oct | 2660446011 |
9 | 877432271 |
10 | 381832201 |
11 | 186597203 |
12 | a7a5b861 |
13 | 6115011a |
14 | 389d5969 |
15 | 237c5701 |
hex | 16c24c09 |
381832201 has 8 divisors (see below), whose sum is σ = 387036800. Its totient is φ = 376637040.
The previous prime is 381832169. The next prime is 381832211. The reversal of 381832201 is 102238183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 381832201 - 25 = 381832169 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 381832201.
It is not an unprimeable number, because it can be changed into a prime (381832211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123211 + ... + 126271.
It is an arithmetic number, because the mean of its divisors is an integer number (48379600).
Almost surely, 2381832201 is an apocalyptic number.
It is an amenable number.
381832201 is a deficient number, since it is larger than the sum of its proper divisors (5204599).
381832201 is a wasteful number, since it uses less digits than its factorization.
381832201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4719.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 381832201 is about 19540.5271423265. The cubic root of 381832201 is about 725.4778940363.
The spelling of 381832201 in words is "three hundred eighty-one million, eight hundred thirty-two thousand, two hundred one".
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