Base | Representation |
---|---|
bin | 10111000101100… |
… | …001011111010100 |
3 | 222222211002110011 |
4 | 113011201133110 |
5 | 1243123330420 |
6 | 102233410004 |
7 | 12412125040 |
oct | 2705413724 |
9 | 888732404 |
10 | 387323860 |
11 | 1896a8170 |
12 | a9869904 |
13 | 62323921 |
14 | 39625020 |
15 | 2400c95a |
hex | 171617d4 |
387323860 has 96 divisors (see below), whose sum is σ = 1020966912. Its totient is φ = 119905920.
The previous prime is 387323809. The next prime is 387323897. The reversal of 387323860 is 68323783.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250249 + ... + 251791.
It is an arithmetic number, because the mean of its divisors is an integer number (10635072).
Almost surely, 2387323860 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 387323860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510483456).
387323860 is an abundant number, since it is smaller than the sum of its proper divisors (633643052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387323860 is a wasteful number, since it uses less digits than its factorization.
387323860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1733 (or 1731 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 40.
The square root of 387323860 is about 19680.5452160249. The cubic root of 387323860 is about 728.9393867900.
The spelling of 387323860 in words is "three hundred eighty-seven million, three hundred twenty-three thousand, eight hundred sixty".
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