Search a number
-
+
12040149 = 311364853
BaseRepresentation
bin101101111011…
…011111010101
3211122200222110
4231323133111
511040241044
61110021233
7204224322
oct55733725
924580873
1012040149
116883a40
124047819
132657364
141855b49
1510cc6b9
hexb7b7d5

12040149 has 8 divisors (see below), whose sum is σ = 17512992. Its totient is φ = 7297040.

The previous prime is 12040141. The next prime is 12040159. The reversal of 12040149 is 94104021.

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

It is a cyclic number.

It is not a de Polignac number, because 12040149 - 23 = 12040141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040141) 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, 182394 + ... + 182459.

It is an arithmetic number, because the mean of its divisors is an integer number (2189124).

Almost surely, 212040149 is an apocalyptic number.

It is an amenable number.

12040149 is a deficient number, since it is larger than the sum of its proper divisors (5472843).

12040149 is a wasteful number, since it uses less digits than its factorization.

12040149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364867.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12040149 is about 3469.8917850561. The cubic root of 12040149 is about 229.1978927955.

The spelling of 12040149 in words is "twelve million, forty thousand, one hundred forty-nine".

Divisors: 1 3 11 33 364853 1094559 4013383 12040149