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12143414 = 27185517
BaseRepresentation
bin101110010100…
…101100110110
3211211221122002
4232110230312
511102042124
61112135302
7205134353
oct56245466
924757562
1012143414
116944588
124097532
13269236a
14188162a
1510ed0ae
hexb94b36

12143414 has 8 divisors (see below), whose sum is σ = 18471888. Its totient is φ = 5986120.

The previous prime is 12143407. The next prime is 12143429. The reversal of 12143414 is 41434121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42617 + ... + 42900.

It is an arithmetic number, because the mean of its divisors is an integer number (2308986).

Almost surely, 212143414 is an apocalyptic number.

12143414 is a deficient number, since it is larger than the sum of its proper divisors (6328474).

12143414 is an equidigital number, since it uses as much as digits as its factorization.

12143414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85590.

The product of its digits is 384, while the sum is 20.

The square root of 12143414 is about 3484.7401624798. The cubic root of 12143414 is about 229.8512838242.

Adding to 12143414 its reverse (41434121), we get a palindrome (53577535).

The spelling of 12143414 in words is "twelve million, one hundred forty-three thousand, four hundred fourteen".

Divisors: 1 2 71 142 85517 171034 6071707 12143414