Base | Representation |
---|---|
bin | 101110101100… |
… | …111001100010 |
3 | 212000222121001 |
4 | 232230321202 |
5 | 11113230110 |
6 | 1114222214 |
7 | 206026336 |
oct | 56547142 |
9 | 25028531 |
10 | 12242530 |
11 | 6a01aa3 |
12 | 412496a |
13 | 26c8501 |
14 | 18a97c6 |
15 | 111c63a |
hex | bace62 |
12242530 has 32 divisors (see below), whose sum is σ = 22923648. Its totient is φ = 4704000.
The previous prime is 12242521. The next prime is 12242539. The reversal of 12242530 is 3524221.
It is an interprime number because it is at equal distance from previous prime (12242521) and next prime (12242539).
It is a junction number, because it is equal to n+sod(n) for n = 12242498 and 12242507.
It is not an unprimeable number, because it can be changed into a prime (12242539) 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 15 ways as a sum of consecutive naturals, for example, 30330 + ... + 30730.
It is an arithmetic number, because the mean of its divisors is an integer number (716364).
Almost surely, 212242530 is an apocalyptic number.
12242530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12242530 is a deficient number, since it is larger than the sum of its proper divisors (10681118).
12242530 is a wasteful number, since it uses less digits than its factorization.
12242530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 522.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 12242530 is about 3498.9326944084. The cubic root of 12242530 is about 230.4749479881.
Adding to 12242530 its reverse (3524221), we get a palindrome (15766751).
The spelling of 12242530 in words is "twelve million, two hundred forty-two thousand, five hundred thirty".
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