Base | Representation |
---|---|
bin | 1001010010110… |
… | …1111001011011 |
3 | 2201100122210021 |
4 | 2110231321123 |
5 | 34440012212 |
6 | 3511331311 |
7 | 652240534 |
oct | 224557133 |
9 | 81318707 |
10 | 38985307 |
11 | 20008269 |
12 | 11080b37 |
13 | 80cca3a |
14 | 526b68b |
15 | 3651307 |
hex | 252de5b |
38985307 has 2 divisors, whose sum is σ = 38985308. Its totient is φ = 38985306.
The previous prime is 38985277. The next prime is 38985313. The reversal of 38985307 is 70358983.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (70358983) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38985307 - 27 = 38985179 is a prime.
It is not a weakly prime, because it can be changed into another prime (38985337) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19492653 + 19492654.
It is an arithmetic number, because the mean of its divisors is an integer number (19492654).
Almost surely, 238985307 is an apocalyptic number.
38985307 is a deficient number, since it is larger than the sum of its proper divisors (1).
38985307 is an equidigital number, since it uses as much as digits as its factorization.
38985307 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 181440, while the sum is 43.
The square root of 38985307 is about 6243.8215060970. The cubic root of 38985307 is about 339.0785517131.
The spelling of 38985307 in words is "thirty-eight million, nine hundred eighty-five thousand, three hundred seven".
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