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12443230 = 252354101
BaseRepresentation
bin101111011101…
…111001011110
3212102011220101
4233131321132
511141140410
61122411314
7210523432
oct57357136
925364811
1012443230
117029868
124200b3a
132768977
14191c9c2
15115bd3a
hexbdde5e

12443230 has 16 divisors (see below), whose sum is σ = 23372064. Its totient is φ = 4760800.

The previous prime is 12443219. The next prime is 12443231. The reversal of 12443230 is 3234421.

It is a junction number, because it is equal to n+sod(n) for n = 12443198 and 12443207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26821 + ... + 27280.

It is an arithmetic number, because the mean of its divisors is an integer number (1460754).

Almost surely, 212443230 is an apocalyptic number.

12443230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12443230 is a deficient number, since it is larger than the sum of its proper divisors (10928834).

12443230 is a wasteful number, since it uses less digits than its factorization.

12443230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54131.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12443230 is about 3527.4962792326. The cubic root of 12443230 is about 231.7275711259.

Adding to 12443230 its reverse (3234421), we get a palindrome (15677651).

The spelling of 12443230 in words is "twelve million, four hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 54101 108202 270505 541010 1244323 2488646 6221615 12443230