Base | Representation |
---|---|
bin | 10110110100001… |
… | …110010000101001 |
3 | 222200021200022101 |
4 | 112310032100221 |
5 | 1240443214044 |
6 | 101552253401 |
7 | 12325435615 |
oct | 2664162051 |
9 | 880250271 |
10 | 382788649 |
11 | 18708a861 |
12 | a8241261 |
13 | 613c6579 |
14 | 38ba4345 |
15 | 23913cd4 |
hex | 16d0e429 |
382788649 has 8 divisors (see below), whose sum is σ = 403346880. Its totient is φ = 362271600.
The previous prime is 382788647. The next prime is 382788667. The reversal of 382788649 is 946887283.
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 382788649 - 21 = 382788647 is a prime.
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 382788649.
It is not an unprimeable number, because it can be changed into a prime (382788647) 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, 9819 + ... + 29359.
It is an arithmetic number, because the mean of its divisors is an integer number (50418360).
Almost surely, 2382788649 is an apocalyptic number.
It is an amenable number.
382788649 is a deficient number, since it is larger than the sum of its proper divisors (20558231).
382788649 is a wasteful number, since it uses less digits than its factorization.
382788649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20591.
The product of its digits is 4644864, while the sum is 55.
The square root of 382788649 is about 19564.9852798309. The cubic root of 382788649 is about 726.0831366164.
The spelling of 382788649 in words is "three hundred eighty-two million, seven hundred eighty-eight thousand, six hundred forty-nine".
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