Base | Representation |
---|---|
bin | 1001001001110… |
… | …1110111111011 |
3 | 2200020200120101 |
4 | 2102131313323 |
5 | 34312123022 |
6 | 3450540231 |
7 | 644232622 |
oct | 222356773 |
9 | 80220511 |
10 | 38395387 |
11 | 1a745028 |
12 | 10a37677 |
13 | 7c54384 |
14 | 51566b9 |
15 | 3586627 |
hex | 249ddfb |
38395387 has 2 divisors, whose sum is σ = 38395388. Its totient is φ = 38395386.
The previous prime is 38395361. The next prime is 38395403. The reversal of 38395387 is 78359383.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38395387 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (38395327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19197693 + 19197694.
It is an arithmetic number, because the mean of its divisors is an integer number (19197694).
Almost surely, 238395387 is an apocalyptic number.
38395387 is a deficient number, since it is larger than the sum of its proper divisors (1).
38395387 is an equidigital number, since it uses as much as digits as its factorization.
38395387 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 544320, while the sum is 46.
The square root of 38395387 is about 6196.4011329158. The cubic root of 38395387 is about 337.3595560141.
The spelling of 38395387 in words is "thirty-eight million, three hundred ninety-five thousand, three hundred eighty-seven".
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