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12065542 = 243140297
BaseRepresentation
bin101110000001…
…101100000110
3211200222210221
4232001230012
511042044132
61110334554
7204361336
oct56015406
924628727
1012065542
1168a1025
12405a45a
132665a98
1418610c6
1510d4e97
hexb81b06

12065542 has 8 divisors (see below), whose sum is σ = 18519336. Its totient is φ = 5892432.

The previous prime is 12065519. The next prime is 12065549. The reversal of 12065542 is 24556021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12065549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70063 + ... + 70234.

It is an arithmetic number, because the mean of its divisors is an integer number (2314917).

Almost surely, 212065542 is an apocalyptic number.

12065542 is a deficient number, since it is larger than the sum of its proper divisors (6453794).

12065542 is a wasteful number, since it uses less digits than its factorization.

12065542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140342.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 12065542 is about 3473.5489056583. The cubic root of 12065542 is about 229.3589078391.

The spelling of 12065542 in words is "twelve million, sixty-five thousand, five hundred forty-two".

Divisors: 1 2 43 86 140297 280594 6032771 12065542