Base | Representation |
---|---|
bin | 101111011101… |
… | …101100111110 |
3 | 212102010210202 |
4 | 233131230332 |
5 | 11141124210 |
6 | 1122403502 |
7 | 210521210 |
oct | 57355476 |
9 | 25363722 |
10 | 12442430 |
11 | 7029200 |
12 | 4200592 |
13 | 27684b0 |
14 | 191c5b0 |
15 | 115b9a5 |
hex | bddb3e |
12442430 has 96 divisors (see below), whose sum is σ = 30566592. Its totient is φ = 3548160.
The previous prime is 12442429. The next prime is 12442513. The reversal of 12442430 is 3424421.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110054 + ... + 110166.
It is an arithmetic number, because the mean of its divisors is an integer number (318402).
Almost surely, 212442430 is an apocalyptic number.
12442430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12442430 is an abundant number, since it is smaller than the sum of its proper divisors (18124162).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12442430 is a wasteful number, since it uses less digits than its factorization.
12442430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162 (or 151 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 12442430 is about 3527.3828825349. The cubic root of 12442430 is about 231.7226049440.
Adding to 12442430 its reverse (3424421), we get a palindrome (15866851).
Subtracting from 12442430 its reverse (3424421), we obtain a square (9018009 = 30032).
The spelling of 12442430 in words is "twelve million, four hundred forty-two thousand, four hundred thirty".
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