Base | Representation |
---|---|
bin | 10111111111111010000000 |
3 | 102211121201200 |
4 | 113333322000 |
5 | 3102303242 |
6 | 342501200 |
7 | 104321214 |
oct | 27777200 |
9 | 12747650 |
10 | 6291072 |
11 | 3607637 |
12 | 2134800 |
13 | 13c3638 |
14 | b9a944 |
15 | 84404c |
hex | 5ffe80 |
6291072 has 96 divisors (see below), whose sum is σ = 18670080. Its totient is φ = 2032128.
The previous prime is 6291059. The next prime is 6291079. The reversal of 6291072 is 2701926.
It is a tau number, because it is divible by the number of its divisors (96).
It is a zygodrome in base 4.
It is not an unprimeable number, because it can be changed into a prime (6291079) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49473 + ... + 49599.
It is an arithmetic number, because the mean of its divisors is an integer number (194480).
Almost surely, 26291072 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 6291072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9335040).
6291072 is an abundant number, since it is smaller than the sum of its proper divisors (12379008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6291072 is a wasteful number, since it uses less digits than its factorization.
6291072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190 (or 175 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 6291072 is about 2508.2009488875. The cubic root of 6291072 is about 184.6041890647.
Adding to 6291072 its reverse (2701926), we get a palindrome (8992998).
The spelling of 6291072 in words is "six million, two hundred ninety-one thousand, seventy-two".
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