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12943146 = 232418951
BaseRepresentation
bin110001010111…
…111100101010
3220100120122210
4301113330222
511303140041
61141225550
7215005056
oct61277452
926316583
1012943146
117340417
1244022b6
1328b2388
141a0cc66
15120a016
hexc57f2a

12943146 has 16 divisors (see below), whose sum is σ = 25996608. Its totient is φ = 4296000.

The previous prime is 12943111. The next prime is 12943153. The reversal of 12943146 is 64134921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030 + ... + 5921.

It is an arithmetic number, because the mean of its divisors is an integer number (1624788).

Almost surely, 212943146 is an apocalyptic number.

12943146 is an abundant number, since it is smaller than the sum of its proper divisors (13053462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12943146 is a wasteful number, since it uses less digits than its factorization.

12943146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197.

The product of its digits is 5184, while the sum is 30.

The square root of 12943146 is about 3597.6584051296. The cubic root of 12943146 is about 234.7901914918.

The spelling of 12943146 in words is "twelve million, nine hundred forty-three thousand, one hundred forty-six".

Divisors: 1 2 3 6 241 482 723 1446 8951 17902 26853 53706 2157191 4314382 6471573 12943146