Base | Representation |
---|---|
bin | 11101011111110… |
… | …111101111100001 |
3 | 1021111020020000020 |
4 | 131133313233201 |
5 | 2003143102144 |
6 | 121035144053 |
7 | 15156346536 |
oct | 3537675741 |
9 | 1244206006 |
10 | 494894049 |
11 | 23439a251 |
12 | 1198a5029 |
13 | 7b6b8020 |
14 | 49a26d8d |
15 | 2d6aa419 |
hex | 1d7f7be1 |
494894049 has 16 divisors (see below), whose sum is σ = 711598272. Its totient is φ = 304129728.
The previous prime is 494894039. The next prime is 494894087. The reversal of 494894049 is 940498494.
It is not a de Polignac number, because 494894049 - 24 = 494894033 is a prime.
It is a super-2 number, since 2×4948940492 = 489840239471228802, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 494893992 and 494894010.
It is not an unprimeable number, because it can be changed into a prime (494894039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21142 + ... + 37904.
It is an arithmetic number, because the mean of its divisors is an integer number (44474892).
Almost surely, 2494894049 is an apocalyptic number.
It is an amenable number.
494894049 is a deficient number, since it is larger than the sum of its proper divisors (216704223).
494894049 is a wasteful number, since it uses less digits than its factorization.
494894049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17536.
The product of its (nonzero) digits is 1492992, while the sum is 51.
The square root of 494894049 is about 22246.2142622065. The cubic root of 494894049 is about 790.9895461855.
The spelling of 494894049 in words is "four hundred ninety-four million, eight hundred ninety-four thousand, forty-nine".
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