Base | Representation |
---|---|
bin | 10111000111111… |
… | …110110100110100 |
3 | 1000001000211110121 |
4 | 113013332310310 |
5 | 1243304441213 |
6 | 102255301324 |
7 | 12420450640 |
oct | 2707766464 |
9 | 1001024417 |
10 | 387968308 |
11 | 189aa8372 |
12 | a9b1a844 |
13 | 624bb060 |
14 | 39751c20 |
15 | 240d888d |
hex | 171fed34 |
387968308 has 24 divisors (see below), whose sum is σ = 835624832. Its totient is φ = 153481824.
The previous prime is 387968303. The next prime is 387968309. The reversal of 387968308 is 803869783.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (52).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387968303) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532560 + ... + 533287.
Almost surely, 2387968308 is an apocalyptic number.
It is an amenable number.
387968308 is an abundant number, since it is smaller than the sum of its proper divisors (447656524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387968308 is a wasteful number, since it uses less digits than its factorization.
387968308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1065871 (or 1065869 counting only the distinct ones).
The product of its (nonzero) digits is 1741824, while the sum is 52.
The square root of 387968308 is about 19696.9111283978. The cubic root of 387968308 is about 729.3434442044.
The spelling of 387968308 in words is "three hundred eighty-seven million, nine hundred sixty-eight thousand, three hundred eight".
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