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494894049 = 31375716763
BaseRepresentation
bin11101011111110…
…111101111100001
31021111020020000020
4131133313233201
52003143102144
6121035144053
715156346536
oct3537675741
91244206006
10494894049
1123439a251
121198a5029
137b6b8020
1449a26d8d
152d6aa419
hex1d7f7be1

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".

Divisors: 1 3 13 39 757 2271 9841 16763 29523 50289 217919 653757 12689591 38068773 164964683 494894049