Base | Representation |
---|---|
bin | 1001001001101… |
… | …0001010111001 |
3 | 2200012220202112 |
4 | 2102122022321 |
5 | 34311131332 |
6 | 3450342105 |
7 | 644140451 |
oct | 222321271 |
9 | 80186675 |
10 | 38380217 |
11 | 1a734697 |
12 | 10a2a935 |
13 | 7c4a4b5 |
14 | 5150d61 |
15 | 3581db2 |
hex | 249a2b9 |
38380217 has 2 divisors, whose sum is σ = 38380218. Its totient is φ = 38380216.
The previous prime is 38380207. The next prime is 38380229. The reversal of 38380217 is 71208383.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 33131536 + 5248681 = 5756^2 + 2291^2 .
It is a cyclic number.
It is not a de Polignac number, because 38380217 - 28 = 38379961 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (38380207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19190108 + 19190109.
It is an arithmetic number, because the mean of its divisors is an integer number (19190109).
Almost surely, 238380217 is an apocalyptic number.
It is an amenable number.
38380217 is a deficient number, since it is larger than the sum of its proper divisors (1).
38380217 is an equidigital number, since it uses as much as digits as its factorization.
38380217 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 38380217 is about 6195.1769143423. The cubic root of 38380217 is about 337.3151199588.
The spelling of 38380217 in words is "thirty-eight million, three hundred eighty thousand, two hundred seventeen".
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