Base | Representation |
---|---|
bin | 10111001011100… |
… | …101010100001100 |
3 | 1000002210210111211 |
4 | 113023211110030 |
5 | 1244030144041 |
6 | 102331424204 |
7 | 12431462245 |
oct | 2713452414 |
9 | 1002723454 |
10 | 388912396 |
11 | 18a592704 |
12 | aa2b5064 |
13 | 6275b9a2 |
14 | 39919ccc |
15 | 24223481 |
hex | 172e550c |
388912396 has 12 divisors (see below), whose sum is σ = 680740200. Its totient is φ = 194415200.
The previous prime is 388912379. The next prime is 388912397. The reversal of 388912396 is 693219883.
It is not an unprimeable number, because it can be changed into a prime (388912397) 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, 23280 + ... + 36328.
It is an arithmetic number, because the mean of its divisors is an integer number (56728350).
Almost surely, 2388912396 is an apocalyptic number.
It is an amenable number.
388912396 is a deficient number, since it is larger than the sum of its proper divisors (291827804).
388912396 is a wasteful number, since it uses less digits than its factorization.
388912396 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20504 (or 20502 counting only the distinct ones).
The product of its digits is 559872, while the sum is 49.
The square root of 388912396 is about 19720.8619487080. The cubic root of 388912396 is about 729.9345634721.
The spelling of 388912396 in words is "three hundred eighty-eight million, nine hundred twelve thousand, three hundred ninety-six".
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