Base | Representation |
---|---|
bin | 1001000101000… |
… | …1001100110101 |
3 | 2122122201202202 |
4 | 2101101030311 |
5 | 34222100313 |
6 | 3440114245 |
7 | 641454203 |
oct | 221211465 |
9 | 78581682 |
10 | 38081333 |
11 | 1a550084 |
12 | 10905985 |
13 | 7b74444 |
14 | 50b4073 |
15 | 3523558 |
hex | 2451335 |
38081333 has 4 divisors (see below), whose sum is σ = 39010188. Its totient is φ = 37152480.
The previous prime is 38081311. The next prime is 38081357. The reversal of 38081333 is 33318083.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33318083 = 3803 ⋅8761.
It can be written as a sum of positive squares in 2 ways, for example, as 21743569 + 16337764 = 4663^2 + 4042^2 .
It is a cyclic number.
It is not a de Polignac number, because 38081333 - 26 = 38081269 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38081296 and 38081305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38081363) 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 3 ways as a sum of consecutive naturals, for example, 464366 + ... + 464447.
It is an arithmetic number, because the mean of its divisors is an integer number (9752547).
Almost surely, 238081333 is an apocalyptic number.
It is an amenable number.
38081333 is a deficient number, since it is larger than the sum of its proper divisors (928855).
38081333 is an equidigital number, since it uses as much as digits as its factorization.
38081333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 928854.
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 38081333 is about 6171.0074542169. The cubic root of 38081333 is about 336.4372290068.
The spelling of 38081333 in words is "thirty-eight million, eighty-one thousand, three hundred thirty-three".
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