Base | Representation |
---|---|
bin | 101110101101… |
… | …010000111111 |
3 | 212001001122122 |
4 | 232231100333 |
5 | 11113302111 |
6 | 1114233155 |
7 | 206033612 |
oct | 56552077 |
9 | 25031578 |
10 | 12244031 |
11 | 6a03138 |
12 | 41257bb |
13 | 26c90b7 |
14 | 18aa179 |
15 | 111ccdb |
hex | bad43f |
12244031 has 4 divisors (see below), whose sum is σ = 12293064. Its totient is φ = 12195000.
The previous prime is 12244009. The next prime is 12244033. The reversal of 12244031 is 13044221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13044221 = 593 ⋅21997.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12244031 is a prime.
It is a super-2 number, since 2×122440312 = 299832590257922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12244033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24140 + ... + 24641.
It is an arithmetic number, because the mean of its divisors is an integer number (3073266).
Almost surely, 212244031 is an apocalyptic number.
12244031 is a deficient number, since it is larger than the sum of its proper divisors (49033).
12244031 is an equidigital number, since it uses as much as digits as its factorization.
12244031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49032.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 12244031 is about 3499.1471818144. The cubic root of 12244031 is about 230.4843667591.
Adding to 12244031 its reverse (13044221), we get a palindrome (25288252).
The spelling of 12244031 in words is "twelve million, two hundred forty-four thousand, thirty-one".
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