Base | Representation |
---|---|
bin | 10000111111010… |
… | …101000100101001 |
3 | 201212100101001001 |
4 | 100333111010221 |
5 | 1040432134331 |
6 | 44141155001 |
7 | 10030526125 |
oct | 2077250451 |
9 | 655311031 |
10 | 285036841 |
11 | 136994441 |
12 | 7b55ba61 |
13 | 4708c16b |
14 | 29bda585 |
15 | 1a055561 |
hex | 10fd5129 |
285036841 has 16 divisors (see below), whose sum is σ = 318548160. Its totient is φ = 253463040.
The previous prime is 285036839. The next prime is 285036859. The reversal of 285036841 is 148630582.
It is a happy number.
It is not a de Polignac number, because 285036841 - 21 = 285036839 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 285036841.
It is not an unprimeable number, because it can be changed into a prime (285036821) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146646 + ... + 148576.
It is an arithmetic number, because the mean of its divisors is an integer number (19909260).
Almost surely, 2285036841 is an apocalyptic number.
It is an amenable number.
285036841 is a deficient number, since it is larger than the sum of its proper divisors (33511319).
285036841 is a wasteful number, since it uses less digits than its factorization.
285036841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2424.
The product of its (nonzero) digits is 46080, while the sum is 37.
The square root of 285036841 is about 16883.0341171248. The cubic root of 285036841 is about 658.1127914296.
It can be divided in two parts, 28503 and 6841, that added together give a square (35344 = 1882).
The spelling of 285036841 in words is "two hundred eighty-five million, thirty-six thousand, eight hundred forty-one".
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