Base | Representation |
---|---|
bin | 11100001001000… |
… | …010111001100100 |
3 | 1012220101212000120 |
4 | 130021002321210 |
5 | 1431331230340 |
6 | 114503241540 |
7 | 14462031456 |
oct | 3411027144 |
9 | 1186355016 |
10 | 472133220 |
11 | 222563749 |
12 | 1121492b0 |
13 | 76a79090 |
14 | 469c02d6 |
15 | 2b6b14d0 |
hex | 1c242e64 |
472133220 has 96 divisors (see below), whose sum is σ = 1437222528. Its totient is φ = 115110912.
The previous prime is 472133203. The next prime is 472133227. The reversal of 472133220 is 22331274.
It is not an unprimeable number, because it can be changed into a prime (472133227) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80632 + ... + 86288.
It is an arithmetic number, because the mean of its divisors is an integer number (14971068).
Almost surely, 2472133220 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 472133220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718611264).
472133220 is an abundant number, since it is smaller than the sum of its proper divisors (965089308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
472133220 is a wasteful number, since it uses less digits than its factorization.
472133220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5789 (or 5787 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 24.
The square root of 472133220 is about 21728.6267398563. The cubic root of 472133220 is about 778.6725284002.
Adding to 472133220 its reverse (22331274), we get a palindrome (494464494).
The spelling of 472133220 in words is "four hundred seventy-two million, one hundred thirty-three thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •