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12304422 = 2321352583
BaseRepresentation
bin101110111100…
…000000100110
3212011010111100
4232330000212
511122220142
61115420530
7206404644
oct56740046
925133440
1012304422
116a44549
124154746
13271a730
1418c4194
151130b4c
hexbbc026

12304422 has 24 divisors (see below), whose sum is σ = 28710864. Its totient is φ = 3785904.

The previous prime is 12304421. The next prime is 12304433. The reversal of 12304422 is 22440321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12304395 and 12304404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304421) 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 11 ways as a sum of consecutive naturals, for example, 26058 + ... + 26525.

It is an arithmetic number, because the mean of its divisors is an integer number (1196286).

Almost surely, 212304422 is an apocalyptic number.

12304422 is an abundant number, since it is smaller than the sum of its proper divisors (16406442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12304422 is a wasteful number, since it uses less digits than its factorization.

12304422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52604 (or 52601 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12304422 is about 3507.7659557046. The cubic root of 12304422 is about 230.8626833297.

Adding to 12304422 its reverse (22440321), we get a palindrome (34744743).

The spelling of 12304422 in words is "twelve million, three hundred four thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 52583 105166 157749 315498 473247 683579 946494 1367158 2050737 4101474 6152211 12304422