Base | Representation |
---|---|
bin | 10110111001000… |
… | …111111010101001 |
3 | 222202200221122012 |
4 | 112321013322221 |
5 | 1241310322020 |
6 | 102040005305 |
7 | 12342366323 |
oct | 2671077251 |
9 | 882627565 |
10 | 384073385 |
11 | 187888023 |
12 | a8760835 |
13 | 61756277 |
14 | 3901a613 |
15 | 23ab97c5 |
hex | 16e47ea9 |
384073385 has 16 divisors (see below), whose sum is σ = 469536912. Its totient is φ = 301516800.
The previous prime is 384073379. The next prime is 384073387. The reversal of 384073385 is 583370483.
It can be written as a sum of positive squares in 8 ways, for example, as 11235904 + 372837481 = 3352^2 + 19309^2 .
It is not a de Polignac number, because 384073385 - 214 = 384057001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (384073387) 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 15 ways as a sum of consecutive naturals, for example, 157697 + ... + 160113.
It is an arithmetic number, because the mean of its divisors is an integer number (29346057).
Almost surely, 2384073385 is an apocalyptic number.
It is an amenable number.
384073385 is a deficient number, since it is larger than the sum of its proper divisors (85463527).
384073385 is a wasteful number, since it uses less digits than its factorization.
384073385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3004.
The product of its (nonzero) digits is 241920, while the sum is 41.
The square root of 384073385 is about 19597.7903091139. The cubic root of 384073385 is about 726.8945360568.
The spelling of 384073385 in words is "three hundred eighty-four million, seventy-three thousand, three hundred eighty-five".
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