Base | Representation |
---|---|
bin | 11100111111110… |
… | …011001101101010 |
3 | 1020220102002112222 |
4 | 130333303031222 |
5 | 1444020040030 |
6 | 120135034042 |
7 | 15025033061 |
oct | 3477631552 |
9 | 1226362488 |
10 | 486486890 |
11 | 22a67788a |
12 | 116b0b922 |
13 | 79a33486 |
14 | 488791d8 |
15 | 2ca993e5 |
hex | 1cff336a |
486486890 has 32 divisors (see below), whose sum is σ = 909792000. Its totient is φ = 187071808.
The previous prime is 486486883. The next prime is 486486893. The reversal of 486486890 is 98684684.
It is not an unprimeable number, because it can be changed into a prime (486486893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65801 + ... + 72819.
It is an arithmetic number, because the mean of its divisors is an integer number (28431000).
Almost surely, 2486486890 is an apocalyptic number.
486486890 is a deficient number, since it is larger than the sum of its proper divisors (423305110).
486486890 is a wasteful number, since it uses less digits than its factorization.
486486890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7294.
The product of its (nonzero) digits is 2654208, while the sum is 53.
The square root of 486486890 is about 22056.4478101076. The cubic root of 486486890 is about 786.4848847026.
The spelling of 486486890 in words is "four hundred eighty-six million, four hundred eighty-six thousand, eight hundred ninety".
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