Search a number
-
+
12990182 = 237175543
BaseRepresentation
bin110001100011…
…011011100110
3220102222011212
4301203123212
511311141212
61142231422
7215262152
oct61433346
926388155
1012990182
117372797
124425572
1328ca8ca
141a22062
151218e22
hexc636e6

12990182 has 8 divisors (see below), whose sum is σ = 20012016. Its totient is φ = 6319512.

The previous prime is 12990181. The next prime is 12990191. The reversal of 12990182 is 28109921.

It is a happy number.

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 (12990181) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 87698 + ... + 87845.

It is an arithmetic number, because the mean of its divisors is an integer number (2501502).

Almost surely, 212990182 is an apocalyptic number.

12990182 is a deficient number, since it is larger than the sum of its proper divisors (7021834).

12990182 is a wasteful number, since it uses less digits than its factorization.

12990182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175582.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 12990182 is about 3604.1895066714. The cubic root of 12990182 is about 235.0742605208.

The spelling of 12990182 in words is "twelve million, nine hundred ninety thousand, one hundred eighty-two".

Divisors: 1 2 37 74 175543 351086 6495091 12990182