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12231424 = 2847779
BaseRepresentation
bin101110101010…
…001100000000
3212000102100201
4232222030000
511112401144
61114054544
7205652062
oct56521400
925012321
1012231424
1169a4717
12411a454
1326c343a
1418a5732
1511191d4
hexbaa300

12231424 has 18 divisors (see below), whose sum is σ = 24415580. Its totient is φ = 6115584.

The previous prime is 12231419. The next prime is 12231431. The reversal of 12231424 is 42413221.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23634 + ... + 24145.

Almost surely, 212231424 is an apocalyptic number.

It is an amenable number.

12231424 is a deficient number, since it is larger than the sum of its proper divisors (12184156).

12231424 is an frugal number, since it uses more digits than its factorization.

12231424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47795 (or 47781 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 12231424 is about 3497.3452789223. The cubic root of 12231424 is about 230.4052339346.

Adding to 12231424 its reverse (42413221), we get a palindrome (54644645).

The spelling of 12231424 in words is "twelve million, two hundred thirty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 128 256 47779 95558 191116 382232 764464 1528928 3057856 6115712 12231424