Base | Representation |
---|---|
bin | 1111100010010… |
… | …11101000111010 |
3 | 100002020121121010 |
4 | 13301023220322 |
5 | 231331130432 |
6 | 20533254350 |
7 | 3141546204 |
oct | 761135072 |
9 | 302217533 |
10 | 130333242 |
11 | 6762a326 |
12 | 377943b6 |
13 | 21004380 |
14 | 13449774 |
15 | b6973cc |
hex | 7c4ba3a |
130333242 has 64 divisors (see below), whose sum is σ = 289013760. Its totient is φ = 38937024.
The previous prime is 130333241. The next prime is 130333253. The reversal of 130333242 is 242333031.
It is not an unprimeable number, because it can be changed into a prime (130333241) 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, 584343 + ... + 584565.
It is an arithmetic number, because the mean of its divisors is an integer number (4515840).
Almost surely, 2130333242 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130333242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144506880).
130333242 is an abundant number, since it is smaller than the sum of its proper divisors (158680518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130333242 is a wasteful number, since it uses less digits than its factorization.
130333242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 427.
The product of its (nonzero) digits is 1296, while the sum is 21.
The square root of 130333242 is about 11416.3585262552. The cubic root of 130333242 is about 507.0121880446.
Adding to 130333242 its reverse (242333031), we get a palindrome (372666273).
The spelling of 130333242 in words is "one hundred thirty million, three hundred thirty-three thousand, two hundred forty-two".
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