Base | Representation |
---|---|
bin | 101110101100… |
… | …111011000111 |
3 | 212000222201210 |
4 | 232230323013 |
5 | 11113231011 |
6 | 1114222503 |
7 | 206026542 |
oct | 56547307 |
9 | 25028653 |
10 | 12242631 |
11 | 6a02085 |
12 | 4124a33 |
13 | 26c857b |
14 | 18a9859 |
15 | 111c6a6 |
hex | bacec7 |
12242631 has 8 divisors (see below), whose sum is σ = 17182720. Its totient is φ = 7732152.
The previous prime is 12242623. The next prime is 12242651. The reversal of 12242631 is 13624221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12242631 - 23 = 12242623 is a prime.
It is a super-2 number, since 2×122426312 = 299764027604322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12242598 and 12242607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12242621) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107335 + ... + 107448.
It is an arithmetic number, because the mean of its divisors is an integer number (2147840).
Almost surely, 212242631 is an apocalyptic number.
12242631 is a deficient number, since it is larger than the sum of its proper divisors (4940089).
12242631 is a wasteful number, since it uses less digits than its factorization.
12242631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214805.
The product of its digits is 576, while the sum is 21.
The square root of 12242631 is about 3498.9471273513. The cubic root of 12242631 is about 230.4755817869.
Adding to 12242631 its reverse (13624221), we get a palindrome (25866852).
The spelling of 12242631 in words is "twelve million, two hundred forty-two thousand, six hundred thirty-one".
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