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12144268 = 2219159793
BaseRepresentation
bin101110010100…
…111010001100
3211211222210201
4232110322030
511102104033
61112143244
7205140013
oct56247214
924758721
1012144268
116945194
124097b24
132692876
141881a7a
1510ed47d
hexb94e8c

12144268 has 12 divisors (see below), whose sum is σ = 22371160. Its totient is φ = 5752512.

The previous prime is 12144263. The next prime is 12144289. The reversal of 12144268 is 86244121.

12144268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12144263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79821 + ... + 79972.

Almost surely, 212144268 is an apocalyptic number.

It is an amenable number.

12144268 is a deficient number, since it is larger than the sum of its proper divisors (10226892).

12144268 is a wasteful number, since it uses less digits than its factorization.

12144268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159816 (or 159814 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 12144268 is about 3484.8626945692. The cubic root of 12144268 is about 229.8566718860.

Adding to 12144268 its reverse (86244121), we get a palindrome (98388389).

The spelling of 12144268 in words is "twelve million, one hundred forty-four thousand, two hundred sixty-eight".

Divisors: 1 2 4 19 38 76 159793 319586 639172 3036067 6072134 12144268