Base | Representation |
---|---|
bin | 10110111101000… |
… | …011100101011011 |
3 | 222211122022200020 |
4 | 112331003211123 |
5 | 1242041313334 |
6 | 102114041523 |
7 | 12354221553 |
oct | 2675034533 |
9 | 884568606 |
10 | 385104219 |
11 | 188421555 |
12 | a8b792a3 |
13 | 61a27526 |
14 | 39208163 |
15 | 23c1ee49 |
hex | 16f4395b |
385104219 has 4 divisors (see below), whose sum is σ = 513472296. Its totient is φ = 256736144.
The previous prime is 385104199. The next prime is 385104221. The reversal of 385104219 is 912401583.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 385104219 - 212 = 385100123 is a prime.
It is a super-2 number, since 2×3851042192 = 296610518983199922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 385104219.
It is not an unprimeable number, because it can be changed into a prime (385104119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64184034 + ... + 64184039.
It is an arithmetic number, because the mean of its divisors is an integer number (128368074).
Almost surely, 2385104219 is an apocalyptic number.
385104219 is a deficient number, since it is larger than the sum of its proper divisors (128368077).
385104219 is a wasteful number, since it uses less digits than its factorization.
385104219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128368076.
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 385104219 is about 19624.0724366784. The cubic root of 385104219 is about 727.5442714642.
The spelling of 385104219 in words is "three hundred eighty-five million, one hundred four thousand, two hundred nineteen".
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