Base | Representation |
---|---|
bin | 1111100011110… |
… | …11101110101110 |
3 | 100002121121210200 |
4 | 13301323232232 |
5 | 231403431342 |
6 | 20541414330 |
7 | 3143326404 |
oct | 761735656 |
9 | 302547720 |
10 | 130530222 |
11 | 67754319 |
12 | 3786a3a6 |
13 | 21072c24 |
14 | 1349b474 |
15 | b6d594c |
hex | 7c7bbae |
130530222 has 24 divisors (see below), whose sum is σ = 283630464. Its totient is φ = 43384704.
The previous prime is 130530203. The next prime is 130530227. The reversal of 130530222 is 222035031.
130530222 is a `hidden beast` number, since 130 + 530 + 2 + 2 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 130530195 and 130530204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130530227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3918 + ... + 16625.
It is an arithmetic number, because the mean of its divisors is an integer number (11817936).
Almost surely, 2130530222 is an apocalyptic number.
130530222 is an abundant number, since it is smaller than the sum of its proper divisors (153100242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130530222 is a wasteful number, since it uses less digits than its factorization.
130530222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20904 (or 20901 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 130530222 is about 11424.9823632249. The cubic root of 130530222 is about 507.2674848714.
Adding to 130530222 its reverse (222035031), we get a palindrome (352565253).
The spelling of 130530222 in words is "one hundred thirty million, five hundred thirty thousand, two hundred twenty-two".
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