Base | Representation |
---|---|
bin | 1001001000011… |
… | …0101001001110 |
3 | 2200001212001100 |
4 | 2102012221032 |
5 | 34301101423 |
6 | 3444523530 |
7 | 643355334 |
oct | 222065116 |
9 | 80055040 |
10 | 38300238 |
11 | 1a68a599 |
12 | 109b05a6 |
13 | 7c1cc82 |
14 | 512db54 |
15 | 3568343 |
hex | 2486a4e |
38300238 has 48 divisors (see below), whose sum is σ = 89041680. Its totient is φ = 11860992.
The previous prime is 38300189. The next prime is 38300239. The reversal of 38300238 is 83200383.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38300239) 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 23 ways as a sum of consecutive naturals, for example, 17070 + ... + 19182.
It is an arithmetic number, because the mean of its divisors is an integer number (1855035).
Almost surely, 238300238 is an apocalyptic number.
38300238 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 38300238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44520840).
38300238 is an abundant number, since it is smaller than the sum of its proper divisors (50741442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38300238 is a wasteful number, since it uses less digits than its factorization.
38300238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2193 (or 2190 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 38300238 is about 6188.7186072724. The cubic root of 38300238 is about 337.0806511851.
The spelling of 38300238 in words is "thirty-eight million, three hundred thousand, two hundred thirty-eight".
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