Base | Representation |
---|---|
bin | 1001000100001… |
… | …0100010000001 |
3 | 2122112200100102 |
4 | 2101002202001 |
5 | 34213134444 |
6 | 3434532145 |
7 | 641114060 |
oct | 221024201 |
9 | 78480312 |
10 | 38021249 |
11 | 1a509a22 |
12 | 10897055 |
13 | 7b52ca6 |
14 | 509a1d7 |
15 | 351084e |
hex | 2442881 |
38021249 has 8 divisors (see below), whose sum is σ = 43567680. Its totient is φ = 32503536.
The previous prime is 38021219. The next prime is 38021257. The reversal of 38021249 is 94212083.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38021249 - 212 = 38017153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38021209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4259 + ... + 9704.
It is an arithmetic number, because the mean of its divisors is an integer number (5445960).
Almost surely, 238021249 is an apocalyptic number.
It is an amenable number.
38021249 is a deficient number, since it is larger than the sum of its proper divisors (5546431).
38021249 is a wasteful number, since it uses less digits than its factorization.
38021249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14359.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 38021249 is about 6166.1372835836. The cubic root of 38021249 is about 336.2601944551.
The spelling of 38021249 in words is "thirty-eight million, twenty-one thousand, two hundred forty-nine".
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