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489512617 = 1161729527
BaseRepresentation
bin11101001011010…
…101111010101001
31021010002211001221
4131023111322221
52000303400432
6120323542041
715062534326
oct3513257251
91233084057
10489512617
11231354090
12117b2a921
137a552749
1449025b4d
152ce95b97
hex1d2d5ea9

489512617 has 8 divisors (see below), whose sum is σ = 542768832. Its totient is φ = 437715600.

The previous prime is 489512609. The next prime is 489512623. The reversal of 489512617 is 716215984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489512617 - 23 = 489512609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489512417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364093 + ... + 365434.

It is an arithmetic number, because the mean of its divisors is an integer number (67846104).

Almost surely, 2489512617 is an apocalyptic number.

It is an amenable number.

489512617 is a deficient number, since it is larger than the sum of its proper divisors (53256215).

489512617 is a wasteful number, since it uses less digits than its factorization.

489512617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729599.

The product of its digits is 120960, while the sum is 43.

The square root of 489512617 is about 22124.9320224944. The cubic root of 489512617 is about 788.1120419460.

The spelling of 489512617 in words is "four hundred eighty-nine million, five hundred twelve thousand, six hundred seventeen".

Divisors: 1 11 61 671 729527 8024797 44501147 489512617