Base | Representation |
---|---|
bin | 10111000111111… |
… | …101010011100101 |
3 | 1000001000111221010 |
4 | 113013331103211 |
5 | 1243304241320 |
6 | 102255212433 |
7 | 12420423540 |
oct | 2707752345 |
9 | 1001014833 |
10 | 387962085 |
11 | 189aa3725 |
12 | a9b17119 |
13 | 624b8284 |
14 | 3974d857 |
15 | 240d6ae0 |
hex | 171fd4e5 |
387962085 has 16 divisors (see below), whose sum is σ = 709416576. Its totient is φ = 177354048.
The previous prime is 387962033. The next prime is 387962089. The reversal of 387962085 is 580269783.
It is not a de Polignac number, because 387962085 - 218 = 387699941 is a prime.
It is a super-4 number, since 4×3879620854 (a number of 35 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387962089) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1847334 + ... + 1847543.
It is an arithmetic number, because the mean of its divisors is an integer number (44338536).
Almost surely, 2387962085 is an apocalyptic number.
387962085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
387962085 is a deficient number, since it is larger than the sum of its proper divisors (321454491).
387962085 is a wasteful number, since it uses less digits than its factorization.
387962085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3694892.
The product of its (nonzero) digits is 725760, while the sum is 48.
The square root of 387962085 is about 19696.7531588331. The cubic root of 387962085 is about 729.3395446346.
The spelling of 387962085 in words is "three hundred eighty-seven million, nine hundred sixty-two thousand, eighty-five".
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