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12214443 = 315725933
BaseRepresentation
bin101110100110…
…000010101011
3211222120001210
4232212002223
511111330233
61113444203
7205551423
oct56460253
924876053
1012214443
11699298a
124110663
1326b87a7
14189d483
151114163
hexba60ab

12214443 has 8 divisors (see below), whose sum is σ = 16390288. Its totient is φ = 8090784.

The previous prime is 12214441. The next prime is 12214459. The reversal of 12214443 is 34441221.

12214443 is digitally balanced in base 2, 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 not a de Polignac number, because 12214443 - 21 = 12214441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12214441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12496 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (2048786).

Almost surely, 212214443 is an apocalyptic number.

12214443 is a deficient number, since it is larger than the sum of its proper divisors (4175845).

12214443 is a wasteful number, since it uses less digits than its factorization.

12214443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26093.

The product of its digits is 768, while the sum is 21.

The square root of 12214443 is about 3494.9167372056. The cubic root of 12214443 is about 230.2985599756.

Adding to 12214443 its reverse (34441221), we get a palindrome (46655664).

The spelling of 12214443 in words is "twelve million, two hundred fourteen thousand, four hundred forty-three".

Divisors: 1 3 157 471 25933 77799 4071481 12214443