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12893243 = 114792447
BaseRepresentation
bin110001001011…
…110000111011
3220021001012112
4301023300323
511300040433
61140202535
7214406426
oct61136073
926231175
1012893243
117306980
12439944b
13289574c
1419d89bd
1511ea348
hexc4bc3b

12893243 has 8 divisors (see below), whose sum is σ = 14100480. Its totient is φ = 11691880.

The previous prime is 12893233. The next prime is 12893261. The reversal of 12893243 is 34239821.

It is a happy number.

12893243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12893243 - 210 = 12892219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12893203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4046 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (1762560).

Almost surely, 212893243 is an apocalyptic number.

12893243 is a deficient number, since it is larger than the sum of its proper divisors (1207237).

12893243 is a wasteful number, since it uses less digits than its factorization.

12893243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937.

The product of its digits is 10368, while the sum is 32.

The square root of 12893243 is about 3590.7162238194. The cubic root of 12893243 is about 234.4880540921.

The spelling of 12893243 in words is "twelve million, eight hundred ninety-three thousand, two hundred forty-three".

Divisors: 1 11 479 2447 5269 26917 1172113 12893243