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12143330 = 251214333
BaseRepresentation
bin101110010100…
…101011100010
3211211221111222
4232110223202
511102041310
61112135042
7205134203
oct56245342
924757458
1012143330
116944511
124097482
132692304
1418815aa
1510ed055
hexb94ae2

12143330 has 8 divisors (see below), whose sum is σ = 21858012. Its totient is φ = 4857328.

The previous prime is 12143317. The next prime is 12143353. The reversal of 12143330 is 3334121.

It is a happy number.

12143330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11363641 + 779689 = 3371^2 + 883^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12143299 and 12143308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607157 + ... + 607176.

Almost surely, 212143330 is an apocalyptic number.

12143330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12143330 is a deficient number, since it is larger than the sum of its proper divisors (9714682).

12143330 is a wasteful number, since it uses less digits than its factorization.

12143330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214340.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 12143330 is about 3484.7281099104. The cubic root of 12143330 is about 229.8507538373.

Adding to 12143330 its reverse (3334121), we get a palindrome (15477451).

The spelling of 12143330 in words is "twelve million, one hundred forty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 1214333 2428666 6071665 12143330