Base | Representation |
---|---|
bin | 101111000010… |
… | …110001110001 |
3 | 212012112112010 |
4 | 233002301301 |
5 | 11124112040 |
6 | 1120153133 |
7 | 206551530 |
oct | 57026161 |
9 | 25175463 |
10 | 12332145 |
11 | 6a63361 |
12 | 41687a9 |
13 | 272a237 |
14 | 18d0317 |
15 | 1138e80 |
hex | bc2c71 |
12332145 has 32 divisors (see below), whose sum is σ = 22687488. Its totient is φ = 5603328.
The previous prime is 12332143. The next prime is 12332147. The reversal of 12332145 is 54123321.
12332145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12332143) and next prime (12332147).
It is not a de Polignac number, because 12332145 - 21 = 12332143 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (12332143) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26757 + ... + 27213.
It is an arithmetic number, because the mean of its divisors is an integer number (708984).
Almost surely, 212332145 is an apocalyptic number.
12332145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12332145 is a deficient number, since it is larger than the sum of its proper divisors (10355343).
12332145 is a wasteful number, since it uses less digits than its factorization.
12332145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 729.
The product of its digits is 720, while the sum is 21.
The square root of 12332145 is about 3511.7153927959. The cubic root of 12332145 is about 231.0359382627.
Adding to 12332145 its reverse (54123321), we get a palindrome (66455466).
The spelling of 12332145 in words is "twelve million, three hundred thirty-two thousand, one hundred forty-five".
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