Base | Representation |
---|---|
bin | 10110111001111… |
… | …101000010100100 |
3 | 222210010000010021 |
4 | 112321331002210 |
5 | 1241334302410 |
6 | 102044404524 |
7 | 12344263603 |
oct | 2671750244 |
9 | 883100107 |
10 | 384290980 |
11 | 187a16557 |
12 | a8846744 |
13 | 61801318 |
14 | 39075a3a |
15 | 23b0deda |
hex | 16e7d0a4 |
384290980 has 24 divisors (see below), whose sum is σ = 818069112. Its totient is φ = 151610112.
The previous prime is 384290953. The next prime is 384290981. The reversal of 384290980 is 89092483.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 78180964 + 306110016 = 8842^2 + 17496^2 .
It is not an unprimeable number, because it can be changed into a prime (384290981) 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, 130147 + ... + 133066.
It is an arithmetic number, because the mean of its divisors is an integer number (34086213).
Almost surely, 2384290980 is an apocalyptic number.
It is an amenable number.
384290980 is an abundant number, since it is smaller than the sum of its proper divisors (433778132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
384290980 is a wasteful number, since it uses less digits than its factorization.
384290980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263295 (or 263293 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 43.
The square root of 384290980 is about 19603.3410417714. The cubic root of 384290980 is about 727.0317830537.
The spelling of 384290980 in words is "three hundred eighty-four million, two hundred ninety thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.268 sec. • engine limits •