Base | Representation |
---|---|
bin | 11101001100100… |
… | …100100010110000 |
3 | 1021010201011211220 |
4 | 131030210202300 |
5 | 2000344202142 |
6 | 120334505040 |
7 | 15065345265 |
oct | 3514444260 |
9 | 1233634756 |
10 | 489834672 |
11 | 231554048 |
12 | 118065180 |
13 | 7a636202 |
14 | 490ab26c |
15 | 2d00b2ec |
hex | 1d3248b0 |
489834672 has 80 divisors (see below), whose sum is σ = 1312975488. Its totient is φ = 157248000.
The previous prime is 489834661. The next prime is 489834673. The reversal of 489834672 is 276438984.
It is not an unprimeable number, because it can be changed into a prime (489834673) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149047 + ... + 152297.
Almost surely, 2489834672 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 489834672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656487744).
489834672 is an abundant number, since it is smaller than the sum of its proper divisors (823140816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489834672 is a wasteful number, since it uses less digits than its factorization.
489834672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3378 (or 3372 counting only the distinct ones).
The product of its digits is 2322432, while the sum is 51.
The square root of 489834672 is about 22132.2089272625. The cubic root of 489834672 is about 788.2848395224.
The spelling of 489834672 in words is "four hundred eighty-nine million, eight hundred thirty-four thousand, six hundred seventy-two".
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