Base | Representation |
---|---|
bin | 10110101001100… |
… | …111100011011010 |
3 | 222111001102220001 |
4 | 112221213203122 |
5 | 1234240234131 |
6 | 101412523214 |
7 | 12263006662 |
oct | 2651474332 |
9 | 874042801 |
10 | 380008666 |
11 | 185561154 |
12 | a732050a |
13 | 609620cb |
14 | 3867d1a2 |
15 | 23565261 |
hex | 16a678da |
380008666 has 16 divisors (see below), whose sum is σ = 575182080. Its totient is φ = 188289360.
The previous prime is 380008661. The next prime is 380008693. The reversal of 380008666 is 666800083.
380008666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (380008661) 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, 104995 + ... + 108553.
It is an arithmetic number, because the mean of its divisors is an integer number (35948880).
Almost surely, 2380008666 is an apocalyptic number.
380008666 is a deficient number, since it is larger than the sum of its proper divisors (195173414).
380008666 is a wasteful number, since it uses less digits than its factorization.
380008666 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4029.
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 380008666 is about 19493.8109665606. The cubic root of 380008666 is about 724.3211503719.
The spelling of 380008666 in words is "three hundred eighty million, eight thousand, six hundred sixty-six".
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