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494163808 = 25311513299
BaseRepresentation
bin11101011101000…
…101011101100000
31021102212010022021
4131131011131200
52003001220213
6121011351224
715150215545
oct3535053540
91242763267
10494163808
11233a40646
121195b2514
137b4c0828
14498b6bcc
152d5b3d8d
hex1d745760

494163808 has 48 divisors (see below), whose sum is σ = 1011225600. Its totient is φ = 237456000.

The previous prime is 494163773. The next prime is 494163851. The reversal of 494163808 is 808361494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148143 + ... + 151441.

It is an arithmetic number, because the mean of its divisors is an integer number (21067200).

Almost surely, 2494163808 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 494163808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505612800).

494163808 is an abundant number, since it is smaller than the sum of its proper divisors (517061792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494163808 is a wasteful number, since it uses less digits than its factorization.

494163808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 494163808 is about 22229.7955006338. The cubic root of 494163808 is about 790.6003064210.

The spelling of 494163808 in words is "four hundred ninety-four million, one hundred sixty-three thousand, eight hundred eight".

Divisors: 1 2 4 8 16 31 32 62 124 151 248 302 496 604 992 1208 2416 3299 4681 4832 6598 9362 13196 18724 26392 37448 52784 74896 102269 105568 149792 204538 409076 498149 818152 996298 1636304 1992596 3272608 3985192 7970384 15442619 15940768 30885238 61770476 123540952 247081904 494163808