Base | Representation |
---|---|
bin | 101101111001… |
… | …010101000110 |
3 | 211122020211210 |
4 | 231321111012 |
5 | 11040000202 |
6 | 1105512250 |
7 | 204156453 |
oct | 55712506 |
9 | 24566753 |
10 | 12031302 |
11 | 6878328 |
12 | 4042686 |
13 | 265331a |
14 | 185282a |
15 | 10c9c6c |
hex | b79546 |
12031302 has 16 divisors (see below), whose sum is σ = 24247872. Its totient is φ = 3979560.
The previous prime is 12031301. The next prime is 12031307. The reversal of 12031302 is 20313021.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12031301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6868 + ... + 8439.
It is an arithmetic number, because the mean of its divisors is an integer number (1515492).
Almost surely, 212031302 is an apocalyptic number.
12031302 is an abundant number, since it is smaller than the sum of its proper divisors (12216570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12031302 is a wasteful number, since it uses less digits than its factorization.
12031302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15443.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 12031302 is about 3468.6167271695. The cubic root of 12031302 is about 229.1417414801.
Adding to 12031302 its reverse (20313021), we get a palindrome (32344323).
The spelling of 12031302 in words is "twelve million, thirty-one thousand, three hundred two".
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