Base | Representation |
---|---|
bin | 11100111110110… |
… | …100111100001100 |
3 | 1020212221010122221 |
4 | 130332310330030 |
5 | 1443433404240 |
6 | 120125345124 |
7 | 15022621324 |
oct | 3476647414 |
9 | 1225833587 |
10 | 486231820 |
11 | 22a513188 |
12 | 116a081a4 |
13 | 79974349 |
14 | 48810284 |
15 | 2ca48a4a |
hex | 1cfb4f0c |
486231820 has 12 divisors (see below), whose sum is σ = 1021086864. Its totient is φ = 194492720.
The previous prime is 486231817. The next prime is 486231827. The reversal of 486231820 is 28132684.
It is not an unprimeable number, because it can be changed into a prime (486231827) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12155776 + ... + 12155815.
It is an arithmetic number, because the mean of its divisors is an integer number (85090572).
Almost surely, 2486231820 is an apocalyptic number.
It is an amenable number.
486231820 is an abundant number, since it is smaller than the sum of its proper divisors (534855044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
486231820 is a wasteful number, since it uses less digits than its factorization.
486231820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24311600 (or 24311598 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 486231820 is about 22050.6648425847. The cubic root of 486231820 is about 786.3474066778.
The spelling of 486231820 in words is "four hundred eighty-six million, two hundred thirty-one thousand, eight hundred twenty".
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