Base | Representation |
---|---|
bin | 10111001000011… |
… | …001111101000011 |
3 | 1000001020110220010 |
4 | 113020121331003 |
5 | 1243322020202 |
6 | 102301520003 |
7 | 12421422621 |
oct | 2710317503 |
9 | 1001213803 |
10 | 388079427 |
11 | 18a0738aa |
12 | a9b73003 |
13 | 625297c8 |
14 | 39780511 |
15 | 2410b76c |
hex | 17219f43 |
388079427 has 32 divisors (see below), whose sum is σ = 554860800. Its totient is φ = 240565248.
The previous prime is 388079413. The next prime is 388079431. The reversal of 388079427 is 724970883.
It is not a de Polignac number, because 388079427 - 219 = 387555139 is a prime.
It is not an unprimeable number, because it can be changed into a prime (388079407) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1151403 + ... + 1151739.
It is an arithmetic number, because the mean of its divisors is an integer number (17339400).
Almost surely, 2388079427 is an apocalyptic number.
388079427 is a deficient number, since it is larger than the sum of its proper divisors (166781373).
388079427 is a wasteful number, since it uses less digits than its factorization.
388079427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 675.
The product of its (nonzero) digits is 677376, while the sum is 48.
The square root of 388079427 is about 19699.7316479185. The cubic root of 388079427 is about 729.4130686010.
The spelling of 388079427 in words is "three hundred eighty-eight million, seventy-nine thousand, four hundred twenty-seven".
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