Base | Representation |
---|---|
bin | 1001001111110… |
… | …1010100011011 |
3 | 2200222112211210 |
4 | 2103331110123 |
5 | 34412130311 |
6 | 3503154203 |
7 | 650451453 |
oct | 223752433 |
9 | 80875753 |
10 | 38786331 |
11 | 1a991821 |
12 | 10ba5963 |
13 | 80602bc |
14 | 5218d63 |
15 | 36123a6 |
hex | 24fd51b |
38786331 has 8 divisors (see below), whose sum is σ = 51747904. Its totient is φ = 25841160.
The previous prime is 38786281. The next prime is 38786347. The reversal of 38786331 is 13368783.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38786331 - 29 = 38785819 is a prime.
It is a super-2 number, since 2×387863312 = 3008758944883122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38786331.
It is not an unprimeable number, because it can be changed into a prime (38786381) 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, 3360 + ... + 9426.
It is an arithmetic number, because the mean of its divisors is an integer number (6468488).
Almost surely, 238786331 is an apocalyptic number.
38786331 is a deficient number, since it is larger than the sum of its proper divisors (12961573).
38786331 is a wasteful number, since it uses less digits than its factorization.
38786331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8201.
The product of its digits is 72576, while the sum is 39.
The square root of 38786331 is about 6227.8672914570. The cubic root of 38786331 is about 338.5006963688.
The spelling of 38786331 in words is "thirty-eight million, seven hundred eighty-six thousand, three hundred thirty-one".
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