Base | Representation |
---|---|
bin | 10110101010011… |
… | …000111100110010 |
3 | 222111102201102200 |
4 | 112222120330302 |
5 | 1234313222434 |
6 | 101421124030 |
7 | 12264511602 |
oct | 2652307462 |
9 | 874381380 |
10 | 380210994 |
11 | 18568a169 |
12 | a73b9616 |
13 | 60a03227 |
14 | 386d2c02 |
15 | 235a5199 |
hex | 16a98f32 |
380210994 has 48 divisors (see below), whose sum is σ = 834223104. Its totient is φ = 125143200.
The previous prime is 380210993. The next prime is 380211011. The reversal of 380210994 is 499012083.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (380210993) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 902904 + ... + 903324.
It is an arithmetic number, because the mean of its divisors is an integer number (17379648).
Almost surely, 2380210994 is an apocalyptic number.
380210994 is an abundant number, since it is smaller than the sum of its proper divisors (454012110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380210994 is a wasteful number, since it uses less digits than its factorization.
380210994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 943 (or 940 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 380210994 is about 19498.9998205036. Note that the first 3 decimals coincide. The cubic root of 380210994 is about 724.4496776585.
The spelling of 380210994 in words is "three hundred eighty million, two hundred ten thousand, nine hundred ninety-four".
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