Base | Representation |
---|---|
bin | 111001011101… |
… | …0000001111000 |
3 | 2002200100202111 |
4 | 1302322001320 |
5 | 30202401404 |
6 | 2553342104 |
7 | 514014355 |
oct | 162720170 |
9 | 62610674 |
10 | 30122104 |
11 | 16004201 |
12 | a107934 |
13 | 631873c |
14 | 400162c |
15 | 29a0104 |
hex | 1cba078 |
30122104 has 8 divisors (see below), whose sum is σ = 56478960. Its totient is φ = 15061048.
The previous prime is 30122101. The next prime is 30122117. The reversal of 30122104 is 40122103.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×301221042 = 1814682298773632, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30122101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1882624 + ... + 1882639.
It is an arithmetic number, because the mean of its divisors is an integer number (7059870).
Almost surely, 230122104 is an apocalyptic number.
It is an amenable number.
30122104 is a deficient number, since it is larger than the sum of its proper divisors (26356856).
30122104 is a wasteful number, since it uses less digits than its factorization.
30122104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3765269 (or 3765265 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 30122104 is about 5488.3607753135. The cubic root of 30122104 is about 311.1442416343.
Adding to 30122104 its reverse (40122103), we get a palindrome (70244207).
Subtracting 30122104 from its reverse (40122103), we obtain a palindrome (9999999).
The spelling of 30122104 in words is "thirty million, one hundred twenty-two thousand, one hundred four".
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