Base | Representation |
---|---|
bin | 1001001110111… |
… | …0011011010011 |
3 | 2200212110011112 |
4 | 2103232123103 |
5 | 34403202311 |
6 | 3502003535 |
7 | 650105561 |
oct | 223563323 |
9 | 80773145 |
10 | 38725331 |
11 | 1a94aa07 |
12 | 10b765ab |
13 | 803b5c8 |
14 | 5200a31 |
15 | 35ee28b |
hex | 24ee6d3 |
38725331 has 2 divisors, whose sum is σ = 38725332. Its totient is φ = 38725330.
The previous prime is 38725289. The next prime is 38725367. The reversal of 38725331 is 13352783.
It is a strong prime.
It is an emirp because it is prime and its reverse (13352783) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38725331 - 210 = 38724307 is a prime.
It is a super-2 number, since 2×387253312 = 2999302522119122, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (38725831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19362665 + 19362666.
It is an arithmetic number, because the mean of its divisors is an integer number (19362666).
Almost surely, 238725331 is an apocalyptic number.
38725331 is a deficient number, since it is larger than the sum of its proper divisors (1).
38725331 is an equidigital number, since it uses as much as digits as its factorization.
38725331 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 15120, while the sum is 32.
The square root of 38725331 is about 6222.9680217722. The cubic root of 38725331 is about 338.3231477651.
The spelling of 38725331 in words is "thirty-eight million, seven hundred twenty-five thousand, three hundred thirty-one".
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