Base | Representation |
---|---|
bin | 111001101000… |
… | …0000011100010 |
3 | 2002211221111220 |
4 | 1303100003202 |
5 | 30213243242 |
6 | 2555315510 |
7 | 514541400 |
oct | 163200342 |
9 | 62757456 |
10 | 30212322 |
11 | 16065a68 |
12 | a14bb96 |
13 | 634a81a |
14 | 4026470 |
15 | 29bbbec |
hex | 1cd00e2 |
30212322 has 24 divisors (see below), whose sum is σ = 70290576. Its totient is φ = 8632008.
The previous prime is 30212311. The next prime is 30212323. The reversal of 30212322 is 22321203.
It is not an unprimeable number, because it can be changed into a prime (30212323) 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, 51088 + ... + 51675.
It is an arithmetic number, because the mean of its divisors is an integer number (2928774).
Almost surely, 230212322 is an apocalyptic number.
30212322 is an abundant number, since it is smaller than the sum of its proper divisors (40078254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212322 is a wasteful number, since it uses less digits than its factorization.
30212322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102782 (or 102775 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 30212322 is about 5496.5736600177. The cubic root of 30212322 is about 311.4545656076.
Adding to 30212322 its reverse (22321203), we get a palindrome (52533525).
The spelling of 30212322 in words is "thirty million, two hundred twelve thousand, three hundred twenty-two".
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