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12343442 = 211354617
BaseRepresentation
bin101111000101…
…100010010010
3212020010000112
4233011202102
511124442232
61120321322
7206626466
oct57054222
925203015
1012343442
116a708a1
124173242
132732417
1418d44a6
15113c4b2
hexbc5892

12343442 has 8 divisors (see below), whose sum is σ = 18679356. Its totient is φ = 6116992.

The previous prime is 12343439. The next prime is 12343447. The reversal of 12343442 is 24434321.

It can be written as a sum of positive squares in 2 ways, for example, as 11498881 + 844561 = 3391^2 + 919^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12343447) by changing a digit.

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, 27083 + ... + 27534.

Almost surely, 212343442 is an apocalyptic number.

12343442 is a deficient number, since it is larger than the sum of its proper divisors (6335914).

12343442 is a wasteful number, since it uses less digits than its factorization.

12343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54732.

The product of its digits is 2304, while the sum is 23.

The square root of 12343442 is about 3513.3234977724. The cubic root of 12343442 is about 231.1064644207.

Adding to 12343442 its reverse (24434321), we get a palindrome (36777763).

The spelling of 12343442 in words is "twelve million, three hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 113 226 54617 109234 6171721 12343442