Base | Representation |
---|---|
bin | 11101001101000… |
… | …110010101110000 |
3 | 1021010222012202000 |
4 | 131031012111300 |
5 | 2000413114404 |
6 | 120341454000 |
7 | 15066463005 |
oct | 3515062560 |
9 | 1233865660 |
10 | 489973104 |
11 | 231639055 |
12 | 118111300 |
13 | 7a68421a |
14 | 491058ac |
15 | 2d037339 |
hex | 1d346570 |
489973104 has 80 divisors (see below), whose sum is σ = 1451811840. Its totient is φ = 158051520.
The previous prime is 489973103. The next prime is 489973123. The reversal of 489973104 is 401379984.
It is a self number, because there is not a number n which added to its sum of digits gives 489973104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489973103) 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, 4902 + ... + 31685.
It is an arithmetic number, because the mean of its divisors is an integer number (18147648).
Almost surely, 2489973104 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 489973104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725905920).
489973104 is an abundant number, since it is smaller than the sum of its proper divisors (961838736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489973104 is a wasteful number, since it uses less digits than its factorization.
489973104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36635 (or 36623 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 489973104 is about 22135.3360941279. The cubic root of 489973104 is about 788.3590914928.
The spelling of 489973104 in words is "four hundred eighty-nine million, nine hundred seventy-three thousand, one hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •