Base | Representation |
---|---|
bin | 101110100010… |
… | …010110100010 |
3 | 211221210100001 |
4 | 232202112202 |
5 | 11110334310 |
6 | 1113250214 |
7 | 205456363 |
oct | 56422642 |
9 | 24853301 |
10 | 12199330 |
11 | 69825a0 |
12 | 410396a |
13 | 26b1950 |
14 | 1897b6a |
15 | 110e93a |
hex | ba25a2 |
12199330 has 64 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 3870720.
The previous prime is 12199321. The next prime is 12199331. The reversal of 12199330 is 3399121.
12199330 is a nontrivial binomial coefficient, being equal to C(4940, 2).
It is not an unprimeable number, because it can be changed into a prime (12199331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26946 + ... + 27394.
It is an arithmetic number, because the mean of its divisors is an integer number (425250).
Almost surely, 212199330 is an apocalyptic number.
12199330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12199330 is the 4939-th triangular number and also the 2470-th hexagonal number.
12199330 is the 1647-th centered nonagonal number.
12199330 is an abundant number, since it is smaller than the sum of its proper divisors (15016670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12199330 is a wasteful number, since it uses less digits than its factorization.
12199330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 499.
The product of its (nonzero) digits is 1458, while the sum is 28.
The square root of 12199330 is about 3492.7539277768. The cubic root of 12199330 is about 230.2035375335.
The spelling of 12199330 in words is "twelve million, one hundred ninety-nine thousand, three hundred thirty".
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