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494949470 = 2589556123
BaseRepresentation
bin11101100000000…
…101010001011110
31021111100001000212
4131200011101132
52003201340340
6121040252422
715160000241
oct3540052136
91244301025
10494949470
11234427954
12119911112
137b707312
1449a3d258
152d6bba65
hex1d80545e

494949470 has 16 divisors (see below), whose sum is σ = 900920880. Its totient is φ = 195754944.

The previous prime is 494949421. The next prime is 494949491. The reversal of 494949470 is 74949494.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277172 + ... + 278951.

It is an arithmetic number, because the mean of its divisors is an integer number (56307555).

Almost surely, 2494949470 is an apocalyptic number.

494949470 is a deficient number, since it is larger than the sum of its proper divisors (405971410).

494949470 is a wasteful number, since it uses less digits than its factorization.

494949470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556219.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 494949470 is about 22247.4598550037. The cubic root of 494949470 is about 791.0190715593.

The spelling of 494949470 in words is "four hundred ninety-four million, nine hundred forty-nine thousand, four hundred seventy".

Divisors: 1 2 5 10 89 178 445 890 556123 1112246 2780615 5561230 49494947 98989894 247474735 494949470