Base | Representation |
---|---|
bin | 1001010001000… |
… | …1100110000110 |
3 | 2201010202202202 |
4 | 2110101212012 |
5 | 34422310012 |
6 | 3505034502 |
7 | 651245546 |
oct | 224214606 |
9 | 81122682 |
10 | 38869382 |
11 | 1aa39162 |
12 | 11025a32 |
13 | 808c046 |
14 | 523b326 |
15 | 362bcc2 |
hex | 2511986 |
38869382 has 4 divisors (see below), whose sum is σ = 58304076. Its totient is φ = 19434690.
The previous prime is 38869357. The next prime is 38869387. The reversal of 38869382 is 28396883.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28396883 = 47 ⋅604189.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38869387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9717344 + ... + 9717347.
It is an arithmetic number, because the mean of its divisors is an integer number (14576019).
Almost surely, 238869382 is an apocalyptic number.
38869382 is a deficient number, since it is larger than the sum of its proper divisors (19434694).
38869382 is a wasteful number, since it uses less digits than its factorization.
38869382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19434693.
The product of its digits is 497664, while the sum is 47.
The square root of 38869382 is about 6234.5314178373. The cubic root of 38869382 is about 338.7421283284.
The spelling of 38869382 in words is "thirty-eight million, eight hundred sixty-nine thousand, three hundred eighty-two".
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