Base | Representation |
---|---|
bin | 101110100000… |
… | …110111011000 |
3 | 211221110222111 |
4 | 232200313120 |
5 | 11110140430 |
6 | 1113202104 |
7 | 205432543 |
oct | 56406730 |
9 | 24843874 |
10 | 12193240 |
11 | 6978a64 |
12 | 4100334 |
13 | 26abc47 |
14 | 189585a |
15 | 110cc2a |
hex | ba0dd8 |
12193240 has 16 divisors (see below), whose sum is σ = 27434880. Its totient is φ = 4877280.
The previous prime is 12193211. The next prime is 12193241. The reversal of 12193240 is 4239121.
12193240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12193241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152376 + ... + 152455.
It is an arithmetic number, because the mean of its divisors is an integer number (1714680).
Almost surely, 212193240 is an apocalyptic number.
12193240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12193240 is an abundant number, since it is smaller than the sum of its proper divisors (15241640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12193240 is a wasteful number, since it uses less digits than its factorization.
12193240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304842 (or 304838 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 12193240 is about 3491.8820140434. The cubic root of 12193240 is about 230.1652246947.
The spelling of 12193240 in words is "twelve million, one hundred ninety-three thousand, two hundred forty".
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