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494788860 = 223252748827
BaseRepresentation
bin11101011111011…
…110000011111100
31021111000212201100
4131133132003330
52003131220420
6121033013100
715155431056
oct3537360374
91244025640
10494788860
11234328215
12119854190
137b67c197
14499da8d6
152d689190
hex1d7de0fc

494788860 has 36 divisors (see below), whose sum is σ = 1500860088. Its totient is φ = 131943648.

The previous prime is 494788849. The next prime is 494788883. The reversal of 494788860 is 68887494.

494788860 is a `hidden beast` number, since 494 + 78 + 8 + 86 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 494788797 and 494788806.

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 11 ways as a sum of consecutive naturals, for example, 1374234 + ... + 1374593.

It is an arithmetic number, because the mean of its divisors is an integer number (41690558).

Almost surely, 2494788860 is an apocalyptic number.

It is an amenable number.

494788860 is an abundant number, since it is smaller than the sum of its proper divisors (1006071228).

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

494788860 is a wasteful number, since it uses less digits than its factorization.

494788860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748842 (or 2748837 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 494788860 is about 22243.8499365555. The cubic root of 494788860 is about 790.9335009942.

The spelling of 494788860 in words is "four hundred ninety-four million, seven hundred eighty-eight thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2748827 5497654 8246481 10995308 13744135 16492962 24739443 27488270 32985924 41232405 49478886 54976540 82464810 98957772 123697215 164929620 247394430 494788860