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12343072 = 25755103
BaseRepresentation
bin101111000101…
…011100100000
3212020002111211
4233011130200
511124434242
61120315504
7206625430
oct57053440
925202454
1012343072
116a70595
124172b94
1327321c1
1418d42c0
15113c317
hexbc5720

12343072 has 24 divisors (see below), whose sum is σ = 27772416. Its totient is φ = 5289792.

The previous prime is 12343069. The next prime is 12343081. The reversal of 12343072 is 27034321.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27328 + ... + 27775.

It is an arithmetic number, because the mean of its divisors is an integer number (1157184).

Almost surely, 212343072 is an apocalyptic number.

It is an amenable number.

12343072 is an abundant number, since it is smaller than the sum of its proper divisors (15429344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12343072 is an equidigital number, since it uses as much as digits as its factorization.

12343072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55120 (or 55112 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 12343072 is about 3513.2708406839. The cubic root of 12343072 is about 231.1041552257.

Adding to 12343072 its reverse (27034321), we get a palindrome (39377393).

The spelling of 12343072 in words is "twelve million, three hundred forty-three thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 55103 110206 220412 385721 440824 771442 881648 1542884 1763296 3085768 6171536 12343072