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494505783 = 3383220663
BaseRepresentation
bin11101011110011…
…000111100110111
31021110111111102000
4131132120330313
52003043141113
6121022550343
715153141552
oct3536307467
91243444360
10494505783
11234154572
121197383b3
137b5b0395
1449965699
152d630373
hex1d798f37

494505783 has 16 divisors (see below), whose sum is σ = 741431040. Its totient is φ = 325697112.

The previous prime is 494505763. The next prime is 494505811. The reversal of 494505783 is 387505494.

It is not a de Polignac number, because 494505783 - 25 = 494505751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494505763) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 108091 + ... + 112572.

It is an arithmetic number, because the mean of its divisors is an integer number (46339440).

Almost surely, 2494505783 is an apocalyptic number.

494505783 is a deficient number, since it is larger than the sum of its proper divisors (246925257).

494505783 is a wasteful number, since it uses less digits than its factorization.

494505783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220755 (or 220749 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 494505783 is about 22237.4859865049. The cubic root of 494505783 is about 790.7826367823.

The spelling of 494505783 in words is "four hundred ninety-four million, five hundred five thousand, seven hundred eighty-three".

Divisors: 1 3 9 27 83 249 747 2241 220663 661989 1985967 5957901 18315029 54945087 164835261 494505783