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12043149 = 329138427
BaseRepresentation
bin101101111100…
…001110001101
3211122212002120
4231330032031
511040340044
61110043153
7204236136
oct55741615
924585076
1012043149
116886218
1240494b9
132658831
141856c8d
1510cd519
hexb7c38d

12043149 has 8 divisors (see below), whose sum is σ = 16611360. Its totient is φ = 7751856.

The previous prime is 12043117. The next prime is 12043151. The reversal of 12043149 is 94134021.

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

It is not a de Polignac number, because 12043149 - 25 = 12043117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69127 + ... + 69300.

It is an arithmetic number, because the mean of its divisors is an integer number (2076420).

Almost surely, 212043149 is an apocalyptic number.

It is an amenable number.

12043149 is a deficient number, since it is larger than the sum of its proper divisors (4568211).

12043149 is a wasteful number, since it uses less digits than its factorization.

12043149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138459.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12043149 is about 3470.3240482698. The cubic root of 12043149 is about 229.2169273489.

The spelling of 12043149 in words is "twelve million, forty-three thousand, one hundred forty-nine".

Divisors: 1 3 29 87 138427 415281 4014383 12043149