Base | Representation |
---|---|
bin | 1001000100110… |
… | …1010000100101 |
3 | 2122121220121211 |
4 | 2101031100211 |
5 | 34221041224 |
6 | 3435511421 |
7 | 641356141 |
oct | 221152045 |
9 | 78556554 |
10 | 38065189 |
11 | 1a539a38 |
12 | 108b8571 |
13 | 7b69ca6 |
14 | 50ac221 |
15 | 351d894 |
hex | 244d425 |
38065189 has 8 divisors (see below), whose sum is σ = 40148640. Its totient is φ = 35989776.
The previous prime is 38065177. The next prime is 38065199. The reversal of 38065189 is 98156083.
It is a happy number.
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 38065189 - 27 = 38065061 is a prime.
It is a super-2 number, since 2×380651892 = 2897917227211442, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38065109) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9447 + ... + 12859.
It is an arithmetic number, because the mean of its divisors is an integer number (5018580).
Almost surely, 238065189 is an apocalyptic number.
It is an amenable number.
38065189 is a deficient number, since it is larger than the sum of its proper divisors (2083451).
38065189 is a wasteful number, since it uses less digits than its factorization.
38065189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4019.
The product of its (nonzero) digits is 51840, while the sum is 40.
The square root of 38065189 is about 6169.6992633353. The cubic root of 38065189 is about 336.3896798105.
The spelling of 38065189 in words is "thirty-eight million, sixty-five thousand, one hundred eighty-nine".
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