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12304418 = 278310589
BaseRepresentation
bin101110111100…
…000000100010
3212011010111012
4232330000202
511122220133
61115420522
7206404640
oct56740042
925133435
1012304418
116a44545
124154742
13271a729
1418c4190
151130b48
hexbbc022

12304418 has 16 divisors (see below), whose sum is σ = 21349440. Its totient is φ = 5209296.

The previous prime is 12304403. The next prime is 12304421. The reversal of 12304418 is 81440321.

It is a junction number, because it is equal to n+sod(n) for n = 12304393 and 12304402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4133 + ... + 6456.

It is an arithmetic number, because the mean of its divisors is an integer number (1334340).

Almost surely, 212304418 is an apocalyptic number.

12304418 is a deficient number, since it is larger than the sum of its proper divisors (9045022).

12304418 is a wasteful number, since it uses less digits than its factorization.

12304418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12304418 is about 3507.7653855411. The cubic root of 12304418 is about 230.8626583130.

Adding to 12304418 its reverse (81440321), we get a palindrome (93744739).

The spelling of 12304418 in words is "twelve million, three hundred four thousand, four hundred eighteen".

Divisors: 1 2 7 14 83 166 581 1162 10589 21178 74123 148246 878887 1757774 6152209 12304418