Base | Representation |
---|---|
bin | 10110111101101… |
… | …111111110011010 |
3 | 222211222120002102 |
4 | 112331233332122 |
5 | 1242113123132 |
6 | 102122003402 |
7 | 12355606631 |
oct | 2675577632 |
9 | 884876072 |
10 | 385286042 |
11 | 188536119 |
12 | a9046562 |
13 | 61a8c20b |
14 | 39254518 |
15 | 23c58c62 |
hex | 16f6ff9a |
385286042 has 12 divisors (see below), whose sum is σ = 597176298. Its totient is φ = 186427800.
The previous prime is 385286029. The next prime is 385286053. The reversal of 385286042 is 240682583.
It can be written as a sum of positive squares in only one way, i.e., 281266441 + 104019601 = 16771^2 + 10199^2 .
It is a junction number, because it is equal to n+sod(n) for n = 385285987 and 385286005.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98309 + ... + 102152.
Almost surely, 2385286042 is an apocalyptic number.
385286042 is a deficient number, since it is larger than the sum of its proper divisors (211890256).
385286042 is a wasteful number, since it uses less digits than its factorization.
385286042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200525 (or 200494 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 38.
The square root of 385286042 is about 19628.7045420731. The cubic root of 385286042 is about 727.6587542995.
The spelling of 385286042 in words is "three hundred eighty-five million, two hundred eighty-six thousand, forty-two".
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