Base | Representation |
---|---|
bin | 11101011111110… |
… | …101100110100110 |
3 | 1021111012202222200 |
4 | 131133311212212 |
5 | 2003142312121 |
6 | 121035035330 |
7 | 15156312150 |
oct | 3537654646 |
9 | 1244182880 |
10 | 494885286 |
11 | 234393705 |
12 | 11989bb46 |
13 | 7b6b403c |
14 | 49a23ad0 |
15 | 2d6a7a26 |
hex | 1d7f59a6 |
494885286 has 144 divisors (see below), whose sum is σ = 1334511360. Its totient is φ = 129470400.
The previous prime is 494885269. The next prime is 494885291. The reversal of 494885286 is 682588494.
It is a super-2 number, since 2×4948852862 = 489822892598603592, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 71 ways as a sum of consecutive naturals, for example, 3277311 + ... + 3277461.
It is an arithmetic number, because the mean of its divisors is an integer number (9267440).
Almost surely, 2494885286 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 494885286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667255680).
494885286 is an abundant number, since it is smaller than the sum of its proper divisors (839626074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
494885286 is a wasteful number, since it uses less digits than its factorization.
494885286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 259 (or 219 counting only the distinct ones).
The product of its digits is 4423680, while the sum is 54.
The square root of 494885286 is about 22246.0173064753. The cubic root of 494885286 is about 790.9848775214.
The spelling of 494885286 in words is "four hundred ninety-four million, eight hundred eighty-five thousand, two hundred eighty-six".
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