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489710017 = 881555857
BaseRepresentation
bin11101001100000…
…110000111000001
31021010110211212001
4131030012013001
52000331210032
6120332104001
715064315666
oct3514060701
91233424761
10489710017
11231479425
12118005001
137a5c1554
1449077a6d
152ced43e7
hex1d3061c1

489710017 has 4 divisors (see below), whose sum is σ = 490266756. Its totient is φ = 489153280.

The previous prime is 489709993. The next prime is 489710083. The reversal of 489710017 is 710017984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 272118016 + 217592001 = 16496^2 + 14751^2 .

It is a cyclic number.

It is not a de Polignac number, because 489710017 - 227 = 355492289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489710087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277048 + ... + 278809.

It is an arithmetic number, because the mean of its divisors is an integer number (122566689).

Almost surely, 2489710017 is an apocalyptic number.

It is an amenable number.

489710017 is a deficient number, since it is larger than the sum of its proper divisors (556739).

489710017 is an equidigital number, since it uses as much as digits as its factorization.

489710017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556738.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 489710017 is about 22129.3926035036. The cubic root of 489710017 is about 788.2179652694.

The spelling of 489710017 in words is "four hundred eighty-nine million, seven hundred ten thousand, seventeen".

Divisors: 1 881 555857 489710017