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12304271 = 747149251
BaseRepresentation
bin101110111011…
…111110001111
3212011010021202
4232323332033
511122214041
61115420115
7206404340
oct56737617
925133252
1012304271
116a44421
12415463b
13271a645
1418c40c7
151130a9b
hexbbbf8f

12304271 has 16 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 10212000.

The previous prime is 12304261. The next prime is 12304283. The reversal of 12304271 is 17240321.

12304271 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12304271 - 214 = 12287887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48896 + ... + 49146.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 212304271 is an apocalyptic number.

12304271 is a deficient number, since it is larger than the sum of its proper divisors (2210929).

12304271 is a wasteful number, since it uses less digits than its factorization.

12304271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12304271 is about 3507.7444319676. The cubic root of 12304271 is about 230.8617389427.

Adding to 12304271 its reverse (17240321), we get a palindrome (29544592).

The spelling of 12304271 in words is "twelve million, three hundred four thousand, two hundred seventy-one".

Divisors: 1 7 47 149 251 329 1043 1757 7003 11797 37399 49021 82579 261793 1757753 12304271