Base | Representation |
---|---|
bin | 10111000111111… |
… | …010101011101101 |
3 | 1000000222222012012 |
4 | 113013322223231 |
5 | 1243303420331 |
6 | 102255051005 |
7 | 12420350321 |
oct | 2707725355 |
9 | 1000888165 |
10 | 387951341 |
11 | 189a96648 |
12 | a9b10a65 |
13 | 624b340b |
14 | 39749981 |
15 | 240d382b |
hex | 171faaed |
387951341 has 4 divisors (see below), whose sum is σ = 388134684. Its totient is φ = 387768000.
The previous prime is 387951331. The next prime is 387951353. The reversal of 387951341 is 143159783.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 377524900 + 10426441 = 19430^2 + 3229^2 .
It is a cyclic number.
It is not a de Polignac number, because 387951341 - 210 = 387950317 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387951331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88460 + ... + 92741.
It is an arithmetic number, because the mean of its divisors is an integer number (97033671).
Almost surely, 2387951341 is an apocalyptic number.
It is an amenable number.
387951341 is a deficient number, since it is larger than the sum of its proper divisors (183343).
387951341 is a wasteful number, since it uses less digits than its factorization.
387951341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183342.
The product of its digits is 90720, while the sum is 41.
The square root of 387951341 is about 19696.4804216388. The cubic root of 387951341 is about 729.3328119351.
The spelling of 387951341 in words is "three hundred eighty-seven million, nine hundred fifty-one thousand, three hundred forty-one".
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