Base | Representation |
---|---|
bin | 1111100010010… |
… | …01001100010110 |
3 | 100002020002212000 |
4 | 13301021030112 |
5 | 231330320342 |
6 | 20533140130 |
7 | 3141505041 |
oct | 761111426 |
9 | 302202760 |
10 | 130323222 |
11 | 67622847 |
12 | 3778a646 |
13 | 20ccc943 |
14 | 13445c58 |
15 | b69444c |
hex | 7c49316 |
130323222 has 32 divisors (see below), whose sum is σ = 292431360. Its totient is φ = 43017480.
The previous prime is 130323217. The next prime is 130323233. The reversal of 130323222 is 222323031.
It is a happy number.
It is a super-2 number, since 2×1303232222 = 33968284384922568, which contains 22 as substring.
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 = 130323195 and 130323204.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6154 + ... + 17277.
It is an arithmetic number, because the mean of its divisors is an integer number (9138480).
Almost surely, 2130323222 is an apocalyptic number.
130323222 is an abundant number, since it is smaller than the sum of its proper divisors (162108138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130323222 is a wasteful number, since it uses less digits than its factorization.
130323222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23545 (or 23539 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 130323222 is about 11415.9196738590. The cubic root of 130323222 is about 506.9991947048. Note that the first 3 decimals are identical.
Adding to 130323222 its reverse (222323031), we get a palindrome (352646253).
The spelling of 130323222 in words is "one hundred thirty million, three hundred twenty-three thousand, two hundred twenty-two".
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