Base | Representation |
---|---|
bin | 111001011010… |
… | …1011001010010 |
3 | 2002122101201110 |
4 | 1302311121102 |
5 | 30201244442 |
6 | 2553114150 |
7 | 513605130 |
oct | 162653122 |
9 | 62571643 |
10 | 30103122 |
11 | 15aa0a15 |
12 | a0b8956 |
13 | 630cbca |
14 | 3dd8750 |
15 | 299969c |
hex | 1cb5652 |
30103122 has 16 divisors (see below), whose sum is σ = 68807232. Its totient is φ = 8600880.
The previous prime is 30103111. The next prime is 30103123. The reversal of 30103122 is 22130103.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30103098 and 30103107.
It is not an unprimeable number, because it can be changed into a prime (30103123) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 358329 + ... + 358412.
It is an arithmetic number, because the mean of its divisors is an integer number (4300452).
Almost surely, 230103122 is an apocalyptic number.
30103122 is an abundant number, since it is smaller than the sum of its proper divisors (38704110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30103122 is a wasteful number, since it uses less digits than its factorization.
30103122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 716753.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 30103122 is about 5486.6312068518. The cubic root of 30103122 is about 311.0788701378.
Adding to 30103122 its reverse (22130103), we get a palindrome (52233225).
The spelling of 30103122 in words is "thirty million, one hundred three thousand, one hundred twenty-two".
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