Base | Representation |
---|---|
bin | 111001110100… |
… | …0101010100010 |
3 | 2010001001210020 |
4 | 1303220222202 |
5 | 30230004442 |
6 | 3001414310 |
7 | 515441310 |
oct | 163505242 |
9 | 63031706 |
10 | 30313122 |
11 | 16124774 |
12 | a19a396 |
13 | 6384678 |
14 | 40510b0 |
15 | 29db9ec |
hex | 1ce8aa2 |
30313122 has 32 divisors (see below), whose sum is σ = 69844992. Its totient is φ = 8591184.
The previous prime is 30313081. The next prime is 30313123. The reversal of 30313122 is 22131303.
It is not an unprimeable number, because it can be changed into a prime (30313123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2493 + ... + 8175.
It is an arithmetic number, because the mean of its divisors is an integer number (2182656).
Almost surely, 230313122 is an apocalyptic number.
30313122 is an abundant number, since it is smaller than the sum of its proper divisors (39531870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30313122 is a wasteful number, since it uses less digits than its factorization.
30313122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5822.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 30313122 is about 5505.7353732267. The cubic root of 30313122 is about 311.8005587636.
Adding to 30313122 its reverse (22131303), we get a palindrome (52444425).
The spelling of 30313122 in words is "thirty million, three hundred thirteen thousand, one hundred twenty-two".
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