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12943294 = 2713192197
BaseRepresentation
bin110001010111…
…111110111110
3220100120212021
4301113332332
511303141134
61141230354
7215005360
oct61277676
926316767
1012943294
117340541
1244023ba
1328b2470
141a0cd30
15120a0b4
hexc57fbe

12943294 has 48 divisors (see below), whose sum is σ = 25347168. Its totient is φ = 4826304.

The previous prime is 12943277. The next prime is 12943297. The reversal of 12943294 is 49234921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12943297) 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 23 ways as a sum of consecutive naturals, for example, 65604 + ... + 65800.

It is an arithmetic number, because the mean of its divisors is an integer number (528066).

Almost surely, 212943294 is an apocalyptic number.

12943294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12943294 is a deficient number, since it is larger than the sum of its proper divisors (12403874).

12943294 is a wasteful number, since it uses less digits than its factorization.

12943294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 238 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 12943294 is about 3597.6789740053. The cubic root of 12943294 is about 234.7910864009.

The spelling of 12943294 in words is "twelve million, nine hundred forty-three thousand, two hundred ninety-four".

Divisors: 1 2 7 13 14 19 26 38 91 133 182 197 247 266 361 394 494 722 1379 1729 2527 2561 2758 3458 3743 4693 5054 5122 7486 9386 17927 26201 32851 35854 48659 52402 65702 71117 97318 142234 340613 497819 681226 924521 995638 1849042 6471647 12943294