Base | Representation |
---|---|
bin | 10111000111100… |
… | …110010100001100 |
3 | 1000000211201202101 |
4 | 113013212110030 |
5 | 1243243233131 |
6 | 102253204444 |
7 | 12416552152 |
oct | 2707462414 |
9 | 1000751671 |
10 | 387867916 |
11 | 189a399a7 |
12 | a9a90724 |
13 | 62484457 |
14 | 397273d2 |
15 | 240b8c61 |
hex | 171e650c |
387867916 has 12 divisors (see below), whose sum is σ = 679566888. Its totient is φ = 193705952.
The previous prime is 387867911. The next prime is 387867917. The reversal of 387867916 is 619768783.
It is not an unprimeable number, because it can be changed into a prime (387867911) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53146 + ... + 60001.
It is an arithmetic number, because the mean of its divisors is an integer number (56630574).
Almost surely, 2387867916 is an apocalyptic number.
It is an amenable number.
387867916 is a deficient number, since it is larger than the sum of its proper divisors (291698972).
387867916 is a wasteful number, since it uses less digits than its factorization.
387867916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114008 (or 114006 counting only the distinct ones).
The product of its digits is 3048192, while the sum is 55.
The square root of 387867916 is about 19694.3625436316. The cubic root of 387867916 is about 729.2805296467.
The spelling of 387867916 in words is "three hundred eighty-seven million, eight hundred sixty-seven thousand, nine hundred sixteen".
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