Base | Representation |
---|---|
bin | 10110101011110… |
… | …100010100000010 |
3 | 222112010201202211 |
4 | 112223310110002 |
5 | 1234412211333 |
6 | 101433132334 |
7 | 12300630616 |
oct | 2653642402 |
9 | 875121684 |
10 | 380585218 |
11 | 185915342 |
12 | a755a0aa |
13 | 60b04670 |
14 | 3878d346 |
15 | 2362aecd |
hex | 16af4502 |
380585218 has 16 divisors (see below), whose sum is σ = 619637760. Its totient is φ = 174270096.
The previous prime is 380585213. The next prime is 380585237. The reversal of 380585218 is 812585083.
It is not an unprimeable number, because it can be changed into a prime (380585213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54328 + ... + 60931.
It is an arithmetic number, because the mean of its divisors is an integer number (38727360).
Almost surely, 2380585218 is an apocalyptic number.
380585218 is a deficient number, since it is larger than the sum of its proper divisors (239052542).
380585218 is a wasteful number, since it uses less digits than its factorization.
380585218 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115401.
The product of its (nonzero) digits is 76800, while the sum is 40.
The square root of 380585218 is about 19508.5934398152. The cubic root of 380585218 is about 724.6872804310.
The spelling of 380585218 in words is "three hundred eighty million, five hundred eighty-five thousand, two hundred eighteen".
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