Search a number
-
+
12230439 = 313536197
BaseRepresentation
bin101110101001…
…111100100111
3212000101000020
4232221330213
511112333224
61114050223
7205646154
oct56517447
925011006
1012230439
1169a3a01
124119973
1326c2b60
1418a522b
151118c79
hexba9f27

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".

Divisors: 1 3 13 39 53 61 97 159 183 291 689 793 1261 2067 2379 3233 3783 5141 5917 9699 15423 17751 42029 66833 76921 126087 200499 230763 313601 940803 4076813 12230439