Base | Representation |
---|---|
bin | 1001000100110… |
… | …1100111011001 |
3 | 2122121222121220 |
4 | 2101031213121 |
5 | 34221113044 |
6 | 3435522253 |
7 | 641363325 |
oct | 221154731 |
9 | 78558556 |
10 | 38066649 |
11 | 1a540045 |
12 | 108b9389 |
13 | 7b6a85a |
14 | 50ac985 |
15 | 351e019 |
hex | 244d9d9 |
38066649 has 8 divisors (see below), whose sum is σ = 51205152. Its totient is φ = 25152960.
The previous prime is 38066627. The next prime is 38066657. The reversal of 38066649 is 94666083.
38066649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38066649 - 25 = 38066617 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38066649.
It is not an unprimeable number, because it can be changed into a prime (38066659) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55807 + ... + 56484.
It is an arithmetic number, because the mean of its divisors is an integer number (6400644).
Almost surely, 238066649 is an apocalyptic number.
It is an amenable number.
38066649 is a deficient number, since it is larger than the sum of its proper divisors (13138503).
38066649 is a wasteful number, since it uses less digits than its factorization.
38066649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112407.
The product of its (nonzero) digits is 186624, while the sum is 42.
The square root of 38066649 is about 6169.8175823925. The cubic root of 38066649 is about 336.3939805261.
The spelling of 38066649 in words is "thirty-eight million, sixty-six thousand, six hundred forty-nine".
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