Base | Representation |
---|---|
bin | 101111011011… |
… | …001100001101 |
3 | 212101121200200 |
4 | 233123030031 |
5 | 11140312031 |
6 | 1122244113 |
7 | 210446211 |
oct | 57331415 |
9 | 25347620 |
10 | 12432141 |
11 | 70214a7 |
12 | 41b6639 |
13 | 27638c7 |
14 | 1918941 |
15 | 11588e6 |
hex | bdb30d |
12432141 has 6 divisors (see below), whose sum is σ = 17957550. Its totient is φ = 8288088.
The previous prime is 12432107. The next prime is 12432163. The reversal of 12432141 is 14123421.
12432141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 10017225 + 2414916 = 3165^2 + 1554^2 .
It is not a de Polignac number, because 12432141 - 210 = 12431117 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12432241) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 690666 + ... + 690683.
It is an arithmetic number, because the mean of its divisors is an integer number (2992925).
Almost surely, 212432141 is an apocalyptic number.
It is an amenable number.
12432141 is a deficient number, since it is larger than the sum of its proper divisors (5525409).
12432141 is a wasteful number, since it uses less digits than its factorization.
12432141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1381355 (or 1381352 counting only the distinct ones).
The product of its digits is 192, while the sum is 18.
The square root of 12432141 is about 3525.9241341810. The cubic root of 12432141 is about 231.6587146544.
Adding to 12432141 its reverse (14123421), we get a palindrome (26555562).
The spelling of 12432141 in words is "twelve million, four hundred thirty-two thousand, one hundred forty-one".
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