Base | Representation |
---|---|
bin | 11101001010010… |
… | …010111101001000 |
3 | 1021002120212211200 |
4 | 131022102331020 |
5 | 2000221111334 |
6 | 120314024200 |
7 | 15060312600 |
oct | 3512227510 |
9 | 1232525750 |
10 | 489238344 |
11 | 231187011 |
12 | 117a18060 |
13 | 7a48795a |
14 | 48d93c00 |
15 | 2ce3e799 |
hex | 1d292f48 |
489238344 has 144 divisors (see below), whose sum is σ = 1557745020. Its totient is φ = 138297600.
The previous prime is 489238333. The next prime is 489238459. The reversal of 489238344 is 443832984.
It can be written as a sum of positive squares in 2 ways, for example, as 318622500 + 170615844 = 17850^2 + 13062^2 .
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 489238344.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 355642 + ... + 357014.
Almost surely, 2489238344 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 489238344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778872510).
489238344 is an abundant number, since it is smaller than the sum of its proper divisors (1068506676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489238344 is a wasteful number, since it uses less digits than its factorization.
489238344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1500 (or 1486 counting only the distinct ones).
The product of its digits is 663552, while the sum is 45.
The square root of 489238344 is about 22118.7328750993. The cubic root of 489238344 is about 787.9648218812.
The spelling of 489238344 in words is "four hundred eighty-nine million, two hundred thirty-eight thousand, three hundred forty-four".
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