Base | Representation |
---|---|
bin | 11100111110101… |
… | …001101110001100 |
3 | 1020212211210122000 |
4 | 130332221232030 |
5 | 1443430421433 |
6 | 120124352300 |
7 | 15022340340 |
oct | 3476515614 |
9 | 1225753560 |
10 | 486185868 |
11 | 22a491703 |
12 | 1169a5690 |
13 | 7995945c |
14 | 487db620 |
15 | 2ca3a113 |
hex | 1cfa9b8c |
486185868 has 96 divisors (see below), whose sum is σ = 1503237120. Its totient is φ = 132865920.
The previous prime is 486185867. The next prime is 486185881. The reversal of 486185868 is 868581684.
486185868 is a `hidden beast` number, since 48 + 6 + 18 + 586 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (486185867) 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 31 ways as a sum of consecutive naturals, for example, 3408 + ... + 31368.
It is an arithmetic number, because the mean of its divisors is an integer number (15658720).
Almost surely, 2486185868 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 486185868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751618560).
486185868 is an abundant number, since it is smaller than the sum of its proper divisors (1017051252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
486185868 is a wasteful number, since it uses less digits than its factorization.
486185868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28004 (or 27996 counting only the distinct ones).
The product of its digits is 2949120, while the sum is 54.
The square root of 486185868 is about 22049.6228539175. The cubic root of 486185868 is about 786.3226342867.
The spelling of 486185868 in words is "four hundred eighty-six million, one hundred eighty-five thousand, eight hundred sixty-eight".
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