Search a number
-
+
12185106 = 2310319717
BaseRepresentation
bin101110011110…
…111000010010
3211221001211020
4232132320102
511104410411
61113100310
7205400043
oct56367022
924831736
1012185106
11697293a
1240b7696
1326a832b
1418928ca
15110a606
hexb9ee12

12185106 has 16 divisors (see below), whose sum is σ = 24608064. Its totient is φ = 4022064.

The previous prime is 12185059. The next prime is 12185113. The reversal of 12185106 is 60158121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9241 + ... + 10476.

It is an arithmetic number, because the mean of its divisors is an integer number (1538004).

Almost surely, 212185106 is an apocalyptic number.

12185106 is an abundant number, since it is smaller than the sum of its proper divisors (12422958).

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

12185106 is a wasteful number, since it uses less digits than its factorization.

12185106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19825.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 12185106 is about 3490.7171183011. The cubic root of 12185106 is about 230.1140329307.

The spelling of 12185106 in words is "twelve million, one hundred eighty-five thousand, one hundred six".

Divisors: 1 2 3 6 103 206 309 618 19717 39434 59151 118302 2030851 4061702 6092553 12185106