Base | Representation |
---|---|
bin | 1001001010000… |
… | …0100010001101 |
3 | 2200021020112000 |
4 | 2102200202031 |
5 | 34313000120 |
6 | 3451102513 |
7 | 644306451 |
oct | 222404215 |
9 | 80236460 |
10 | 38406285 |
11 | 1a752235 |
12 | 10a41a39 |
13 | 7c59318 |
14 | 515a661 |
15 | 3589990 |
hex | 24a088d |
38406285 has 32 divisors (see below), whose sum is σ = 69742080. Its totient is φ = 20044224.
The previous prime is 38406283. The next prime is 38406287. The reversal of 38406285 is 58260483.
It is an interprime number because it is at equal distance from previous prime (38406283) and next prime (38406287).
It is not a de Polignac number, because 38406285 - 21 = 38406283 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38406283) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3319 + ... + 9371.
It is an arithmetic number, because the mean of its divisors is an integer number (2179440).
Almost surely, 238406285 is an apocalyptic number.
It is an amenable number.
38406285 is a deficient number, since it is larger than the sum of its proper divisors (31335795).
38406285 is a wasteful number, since it uses less digits than its factorization.
38406285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6114 (or 6108 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 38406285 is about 6197.2804519402. The cubic root of 38406285 is about 337.3914712774.
The spelling of 38406285 in words is "thirty-eight million, four hundred six thousand, two hundred eighty-five".
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