Base | Representation |
---|---|
bin | 10111001000010… |
… | …110000011010001 |
3 | 1000001012122222001 |
4 | 113020112003101 |
5 | 1243321012231 |
6 | 102301314001 |
7 | 12421325203 |
oct | 2710260321 |
9 | 1001178861 |
10 | 388063441 |
11 | 18a062897 |
12 | a9b65901 |
13 | 6252244c |
14 | 39778773 |
15 | 24106b61 |
hex | 172160d1 |
388063441 has 4 divisors (see below), whose sum is σ = 388264500. Its totient is φ = 387862384.
The previous prime is 388063439. The next prime is 388063463. The reversal of 388063441 is 144360883.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 278756416 + 109307025 = 16696^2 + 10455^2 .
It is a cyclic number.
It is not a de Polignac number, because 388063441 - 21 = 388063439 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 388063441.
It is not an unprimeable number, because it can be changed into a prime (388063541) 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, 97606 + ... + 101503.
It is an arithmetic number, because the mean of its divisors is an integer number (97066125).
Almost surely, 2388063441 is an apocalyptic number.
It is an amenable number.
388063441 is a deficient number, since it is larger than the sum of its proper divisors (201059).
388063441 is a wasteful number, since it uses less digits than its factorization.
388063441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201058.
The product of its (nonzero) digits is 55296, while the sum is 37.
The square root of 388063441 is about 19699.3259021724. The cubic root of 388063441 is about 729.4030529903.
The spelling of 388063441 in words is "three hundred eighty-eight million, sixty-three thousand, four hundred forty-one".
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