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494185284 = 223213727369
BaseRepresentation
bin11101011101001…
…010101101000100
31021102220012202200
4131131022231010
52003002412114
6121012034500
715150335265
oct3535125504
91242805680
10494185284
11233a5579a
12119602a30
137b4ca538
14498c096c
152d5ba409
hex1d74ab44

494185284 has 18 divisors (see below), whose sum is σ = 1249190670. Its totient is φ = 164728416.

The previous prime is 494185271. The next prime is 494185297. The reversal of 494185284 is 482581494.

494185284 is a `hidden beast` number, since 494 + 1 + 85 + 2 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (494185271) and next prime (494185297).

It can be written as a sum of positive squares in only one way, i.e., 489648384 + 4536900 = 22128^2 + 2130^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6863649 + ... + 6863720.

Almost surely, 2494185284 is an apocalyptic number.

It is an amenable number.

494185284 is an abundant number, since it is smaller than the sum of its proper divisors (755005386).

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

494185284 is a wasteful number, since it uses less digits than its factorization.

494185284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13727379 (or 13727374 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 494185284 is about 22230.2785407651. The cubic root of 494185284 is about 790.6117592267.

The spelling of 494185284 in words is "four hundred ninety-four million, one hundred eighty-five thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 13727369 27454738 41182107 54909476 82364214 123546321 164728428 247092642 494185284