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489528745 = 5107915007
BaseRepresentation
bin11101001011011…
…001110110101001
31021010010122012021
4131023121312221
52000304404440
6120324144441
715062632336
oct3513316651
91233118167
10489528745
11231365212
12117b38121
137a559ba4
144902b98d
152ce9a84a
hex1d2d9da9

489528745 has 8 divisors (see below), whose sum is σ = 592925184. Its totient is φ = 387962544.

The previous prime is 489528737. The next prime is 489528773. The reversal of 489528745 is 547825984.

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 489528745 - 23 = 489528737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489528692 and 489528701.

It is an unprimeable number.

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, 456969 + ... + 458038.

It is an arithmetic number, because the mean of its divisors is an integer number (74115648).

Almost surely, 2489528745 is an apocalyptic number.

It is an amenable number.

489528745 is a deficient number, since it is larger than the sum of its proper divisors (103396439).

489528745 is a wasteful number, since it uses less digits than its factorization.

489528745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915119.

The product of its digits is 3225600, while the sum is 52.

The square root of 489528745 is about 22125.2964951885. The cubic root of 489528745 is about 788.1206971750.

The spelling of 489528745 in words is "four hundred eighty-nine million, five hundred twenty-eight thousand, seven hundred forty-five".

Divisors: 1 5 107 535 915007 4575035 97905749 489528745