Base | Representation |
---|---|
bin | 10111001011011… |
… | …110001110001110 |
3 | 1000002202022122202 |
4 | 113023132032032 |
5 | 1244023231332 |
6 | 102331041502 |
7 | 12431311451 |
oct | 2713361616 |
9 | 1002668582 |
10 | 388883342 |
11 | 18a5728a1 |
12 | aa2a0292 |
13 | 6274b6b3 |
14 | 3990d498 |
15 | 24219a62 |
hex | 172de38e |
388883342 has 4 divisors (see below), whose sum is σ = 583325016. Its totient is φ = 194441670.
The previous prime is 388883323. The next prime is 388883351. The reversal of 388883342 is 243388883.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243388883 = 1249 ⋅194867.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97220834 + ... + 97220837.
It is an arithmetic number, because the mean of its divisors is an integer number (145831254).
Almost surely, 2388883342 is an apocalyptic number.
388883342 is a deficient number, since it is larger than the sum of its proper divisors (194441674).
388883342 is a wasteful number, since it uses less digits than its factorization.
388883342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194441673.
The product of its digits is 884736, while the sum is 47.
The square root of 388883342 is about 19720.1253038615. The cubic root of 388883342 is about 729.9163862449.
The spelling of 388883342 in words is "three hundred eighty-eight million, eight hundred eighty-three thousand, three hundred forty-two".
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