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12304424 = 2311373779
BaseRepresentation
bin101110111100…
…000000101000
3212011010111102
4232330000220
511122220144
61115420532
7206404646
oct56740050
925133442
1012304424
116a44550
124154748
13271a732
1418c4196
151130b4e
hexbbc028

12304424 has 32 divisors (see below), whose sum is σ = 25855200. Its totient is φ = 5440320.

The previous prime is 12304421. The next prime is 12304433. The reversal of 12304424 is 42440321.

12304424 = T847 + T848 + ... + T879.

It is a junction number, because it is equal to n+sod(n) for n = 12304396 and 12304405.

It is not an unprimeable number, because it can be changed into a prime (12304421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (807975).

Almost surely, 212304424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12304424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12927600).

12304424 is an abundant number, since it is smaller than the sum of its proper divisors (13550776).

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

12304424 is a wasteful number, since it uses less digits than its factorization.

12304424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833 (or 3829 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 12304424 is about 3507.7662407863. The cubic root of 12304424 is about 230.8626958381.

Adding to 12304424 its reverse (42440321), we get a palindrome (54744745).

The spelling of 12304424 in words is "twelve million, three hundred four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 22 37 44 74 88 148 296 407 814 1628 3256 3779 7558 15116 30232 41569 83138 139823 166276 279646 332552 559292 1118584 1538053 3076106 6152212 12304424