Search a number
-
+
12418156 = 227394201
BaseRepresentation
bin101111010111…
…110001101100
3212100220111201
4233113301230
511134340111
61122055244
7210360352
oct57276154
925326451
1012418156
117011a43
1241aa524
13275a42a
1419137d2
1511546c1
hexbd7c6c

12418156 has 12 divisors (see below), whose sum is σ = 21766360. Its totient is φ = 6199200.

The previous prime is 12418151. The next prime is 12418163. The reversal of 12418156 is 65181421.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12418151) 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, 856 + ... + 5056.

Almost surely, 212418156 is an apocalyptic number.

It is an amenable number.

12418156 is a deficient number, since it is larger than the sum of its proper divisors (9348204).

12418156 is a wasteful number, since it uses less digits than its factorization.

12418156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944 (or 4942 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 12418156 is about 3523.9404081227. The cubic root of 12418156 is about 231.5718172410.

Adding to 12418156 its reverse (65181421), we get a palindrome (77599577).

The spelling of 12418156 in words is "twelve million, four hundred eighteen thousand, one hundred fifty-six".

Divisors: 1 2 4 739 1478 2956 4201 8402 16804 3104539 6209078 12418156