Base | Representation |
---|---|
bin | 1111000110110001010 |
3 | 221010222211 |
4 | 1320312022 |
5 | 111314421 |
6 | 14335334 |
7 | 4131052 |
oct | 1706612 |
9 | 833884 |
10 | 494986 |
11 | 308988 |
12 | 1ba54a |
13 | 1443bb |
14 | cc562 |
15 | 9b9e1 |
hex | 78d8a |
494986 has 8 divisors (see below), whose sum is σ = 762660. Its totient is φ = 240768.
The previous prime is 494959. The next prime is 494987. The reversal of 494986 is 689494.
It can be written as a sum of positive squares in 2 ways, for example, as 416025 + 78961 = 645^2 + 281^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×4949862 = 490022280392, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (494987) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3271 + ... + 3418.
2494986 is an apocalyptic number.
494986 is a deficient number, since it is larger than the sum of its proper divisors (267674).
494986 is a wasteful number, since it uses less digits than its factorization.
494986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6728.
The product of its digits is 62208, while the sum is 40.
The square root of 494986 is about 703.5524145364. The cubic root of 494986 is about 79.1038531604.
The spelling of 494986 in words is "four hundred ninety-four thousand, nine hundred eighty-six".
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