Base | Representation |
---|---|
bin | 10111000111110… |
… | …011100001011100 |
3 | 1000000221110221221 |
4 | 113013303201130 |
5 | 1243302001022 |
6 | 102254303124 |
7 | 12420165652 |
oct | 2707634134 |
9 | 1000843857 |
10 | 387922012 |
11 | 189a76605 |
12 | a9ab7aa4 |
13 | 624a2c6a |
14 | 3973cdd2 |
15 | 240c9cc7 |
hex | 171f385c |
387922012 has 48 divisors (see below), whose sum is σ = 730507680. Its totient is φ = 179712000.
The previous prime is 387922001. The next prime is 387922019. The reversal of 387922012 is 210229783.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387922019) 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, 744312 + ... + 744832.
It is an arithmetic number, because the mean of its divisors is an integer number (15218910).
Almost surely, 2387922012 is an apocalyptic number.
It is an amenable number.
387922012 is a deficient number, since it is larger than the sum of its proper divisors (342585668).
387922012 is a wasteful number, since it uses less digits than its factorization.
387922012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 742 (or 740 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 387922012 is about 19695.7358836881. The cubic root of 387922012 is about 729.3144323611.
It can be divided in two parts, 38792 and 2012, that added together give a palindrome (40804).
The spelling of 387922012 in words is "three hundred eighty-seven million, nine hundred twenty-two thousand, twelve".
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