Base | Representation |
---|---|
bin | 101110010001… |
… | …111111101010 |
3 | 211211101102120 |
4 | 232101333222 |
5 | 11101213310 |
6 | 1112012110 |
7 | 205060140 |
oct | 56217752 |
9 | 24741376 |
10 | 12132330 |
11 | 6937221 |
12 | 4091036 |
13 | 268a2c2 |
14 | 187b590 |
15 | 10e9b70 |
hex | b91fea |
12132330 has 32 divisors (see below), whose sum is σ = 33277824. Its totient is φ = 2773056.
The previous prime is 12132319. The next prime is 12132331. The reversal of 12132330 is 3323121.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (12132331) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28677 + ... + 29096.
It is an arithmetic number, because the mean of its divisors is an integer number (1039932).
Almost surely, 212132330 is an apocalyptic number.
12132330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12132330 is an abundant number, since it is smaller than the sum of its proper divisors (21145494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12132330 is a wasteful number, since it uses less digits than its factorization.
12132330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57790.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 12132330 is about 3483.1494369320. The cubic root of 12132330 is about 229.7813296592.
Adding to 12132330 its reverse (3323121), we get a palindrome (15455451).
The spelling of 12132330 in words is "twelve million, one hundred thirty-two thousand, three hundred thirty".
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