Base | Representation |
---|---|
bin | 101111010100… |
… | …001001010100 |
3 | 212100011002220 |
4 | 233110021110 |
5 | 11133401114 |
6 | 1121502340 |
7 | 210266115 |
oct | 57241124 |
9 | 25304086 |
10 | 12403284 |
11 | 7001853 |
12 | 41a19b0 |
13 | 275372a |
14 | 190c20c |
15 | 11500a9 |
hex | bd4254 |
12403284 has 24 divisors (see below), whose sum is σ = 29339520. Its totient is φ = 4077504.
The previous prime is 12403283. The next prime is 12403297. The reversal of 12403284 is 48230421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12403283) 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 7 ways as a sum of consecutive naturals, for example, 6204 + ... + 7955.
It is an arithmetic number, because the mean of its divisors is an integer number (1222480).
Almost surely, 212403284 is an apocalyptic number.
It is an amenable number.
12403284 is an abundant number, since it is smaller than the sum of its proper divisors (16936236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12403284 is a wasteful number, since it uses less digits than its factorization.
12403284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14239 (or 14237 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 12403284 is about 3521.8296381285. The cubic root of 12403284 is about 231.4793367416.
The spelling of 12403284 in words is "twelve million, four hundred three thousand, two hundred eighty-four".
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