Base | Representation |
---|---|
bin | 101110101001… |
… | …111100100111 |
3 | 212000101000020 |
4 | 232221330213 |
5 | 11112333224 |
6 | 1114050223 |
7 | 205646154 |
oct | 56517447 |
9 | 25011006 |
10 | 12230439 |
11 | 69a3a01 |
12 | 4119973 |
13 | 26c2b60 |
14 | 18a522b |
15 | 1118c79 |
hex | ba9f27 |
12230439 has 32 divisors (see below), whose sum is σ = 18373824. Its totient is φ = 7188480.
The previous prime is 12230419. The next prime is 12230441. The reversal of 12230439 is 93403221.
It is not a de Polignac number, because 12230439 - 29 = 12229927 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12230419) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126039 + ... + 126135.
It is an arithmetic number, because the mean of its divisors is an integer number (574182).
Almost surely, 212230439 is an apocalyptic number.
12230439 is a deficient number, since it is larger than the sum of its proper divisors (6143385).
12230439 is a wasteful number, since it uses less digits than its factorization.
12230439 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 12230439 is about 3497.2044549897. The cubic root of 12230439 is about 230.3990489026.
It can be divided in two parts, 122304 and 39, that multiplied together give a square (4769856 = 21842).
The spelling of 12230439 in words is "twelve million, two hundred thirty thousand, four hundred thirty-nine".
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