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494746570 = 25421117517
BaseRepresentation
bin11101011111010…
…011101111001010
31021110221201201001
4131133103233022
52003123342240
6121032045214
715155163553
oct3537235712
91243851631
10494746570
112342a946a
1211983380a
137b665b66
14499c932a
152d67b89a
hex1d7d3bca

494746570 has 16 divisors (see below), whose sum is σ = 892666728. Its totient is φ = 197426880.

The previous prime is 494746547. The next prime is 494746579. The reversal of 494746570 is 75647494.

It can be written as a sum of positive squares in 4 ways, for example, as 138556441 + 356190129 = 11771^2 + 18873^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 494746570.

It is not an unprimeable number, because it can be changed into a prime (494746579) 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 7 ways as a sum of consecutive naturals, for example, 54549 + ... + 62968.

Almost surely, 2494746570 is an apocalyptic number.

494746570 is a deficient number, since it is larger than the sum of its proper divisors (397920158).

494746570 is a wasteful number, since it uses less digits than its factorization.

494746570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117945.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 494746570 is about 22242.8993164111. The cubic root of 494746570 is about 790.9109664456.

The spelling of 494746570 in words is "four hundred ninety-four million, seven hundred forty-six thousand, five hundred seventy".

Divisors: 1 2 5 10 421 842 2105 4210 117517 235034 587585 1175170 49474657 98949314 247373285 494746570