Base | Representation |
---|---|
bin | 10110101001101… |
… | …010001001100111 |
3 | 222111001222111000 |
4 | 112221222021213 |
5 | 1234241104203 |
6 | 101413044343 |
7 | 12263052666 |
oct | 2651521147 |
9 | 874058430 |
10 | 380019303 |
11 | 185569144 |
12 | a73266b3 |
13 | 60966bc1 |
14 | 38682ddd |
15 | 235684a3 |
hex | 16a6a267 |
380019303 has 8 divisors (see below), whose sum is σ = 562991600. Its totient is φ = 253346184.
The previous prime is 380019293. The next prime is 380019307. The reversal of 380019303 is 303910083.
It is not a de Polignac number, because 380019303 - 24 = 380019287 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 14074789 = 380019303 / (3 + 8 + 0 + 0 + 1 + 9 + 3 + 0 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380019307) 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, 7037368 + ... + 7037421.
It is an arithmetic number, because the mean of its divisors is an integer number (70373950).
Almost surely, 2380019303 is an apocalyptic number.
380019303 is a deficient number, since it is larger than the sum of its proper divisors (182972297).
380019303 is a wasteful number, since it uses less digits than its factorization.
380019303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14074798 (or 14074792 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The square root of 380019303 is about 19494.0837948338. The cubic root of 380019303 is about 724.3279085794.
Adding to 380019303 its reverse (303910083), we get a palindrome (683929386).
The spelling of 380019303 in words is "three hundred eighty million, nineteen thousand, three hundred three".
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