Base | Representation |
---|---|
bin | 11101001001100… |
… | …010111100111000 |
3 | 1021002012220010022 |
4 | 131021202330320 |
5 | 2000143313340 |
6 | 120305510012 |
7 | 15055533416 |
oct | 3511427470 |
9 | 1232186108 |
10 | 489041720 |
11 | 231062312 |
12 | 117942308 |
13 | 7a4192cb |
14 | 48d422b6 |
15 | 2ce013b5 |
hex | 1d262f38 |
489041720 has 32 divisors (see below), whose sum is σ = 1165071600. Its totient is φ = 184109568.
The previous prime is 489041719. The next prime is 489041723. The reversal of 489041720 is 27140984.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489041723) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358910 + ... + 360269.
Almost surely, 2489041720 is an apocalyptic number.
489041720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
489041720 is an abundant number, since it is smaller than the sum of its proper divisors (676029880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489041720 is a wasteful number, since it uses less digits than its factorization.
489041720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 719207 (or 719203 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 489041720 is about 22114.2876891841. The cubic root of 489041720 is about 787.8592471939.
The spelling of 489041720 in words is "four hundred eighty-nine million, forty-one thousand, seven hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •