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12304023 = 316092549
BaseRepresentation
bin101110111011…
…111010010111
3212011002221120
4232323322113
511122212043
61115415023
7206403534
oct56737227
925132846
1012304023
116a44216
124154473
13271a4b4
1418c3d8b
151130983
hexbbbe97

12304023 has 8 divisors (see below), whose sum is σ = 16422000. Its totient is φ = 8194368.

The previous prime is 12304021. The next prime is 12304027. The reversal of 12304023 is 32040321.

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

It is not a de Polignac number, because 12304023 - 21 = 12304021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12303993 and 12304011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304021) 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 7 ways as a sum of consecutive naturals, for example, 3553 + ... + 6101.

It is an arithmetic number, because the mean of its divisors is an integer number (2052750).

Almost surely, 212304023 is an apocalyptic number.

12304023 is a deficient number, since it is larger than the sum of its proper divisors (4117977).

12304023 is a wasteful number, since it uses less digits than its factorization.

12304023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 12304023 is about 3507.7090814376. The cubic root of 12304023 is about 230.8601878798.

Adding to 12304023 its reverse (32040321), we get a palindrome (44344344).

It can be divided in two parts, 1230 and 4023, that added together give a triangular number (5253 = T102).

The spelling of 12304023 in words is "twelve million, three hundred four thousand, twenty-three".

Divisors: 1 3 1609 2549 4827 7647 4101341 12304023