Base | Representation |
---|---|
bin | 11101000001010… |
… | …000100100100001 |
3 | 1020221010112002121 |
4 | 131001100210201 |
5 | 1444114304111 |
6 | 120151144241 |
7 | 15031214653 |
oct | 3501204441 |
9 | 1227115077 |
10 | 486869281 |
11 | 22a909108 |
12 | 117075081 |
13 | 79b38542 |
14 | 489386d3 |
15 | 2cb22871 |
hex | 1d050921 |
486869281 has 8 divisors (see below), whose sum is σ = 514493280. Its totient is φ = 459445248.
The previous prime is 486869269. The next prime is 486869321. The reversal of 486869281 is 182968684.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 486869281 - 221 = 484772129 is a prime.
It is a super-2 number, since 2×4868692812 = 474083393562913922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (486869231) 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, 44971 + ... + 54736.
It is an arithmetic number, because the mean of its divisors is an integer number (64311660).
Almost surely, 2486869281 is an apocalyptic number.
It is an amenable number.
486869281 is a deficient number, since it is larger than the sum of its proper divisors (27623999).
486869281 is a wasteful number, since it uses less digits than its factorization.
486869281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99983.
The product of its digits is 1327104, while the sum is 52.
The square root of 486869281 is about 22065.1145702895. The cubic root of 486869281 is about 786.6908964057.
The spelling of 486869281 in words is "four hundred eighty-six million, eight hundred sixty-nine thousand, two hundred eighty-one".
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