Search a number
-
+
12242133 = 321360237
BaseRepresentation
bin101110101100…
…110011010101
3212000222001100
4232230303111
511113222013
61114220313
7206025231
oct56546325
925028040
1012242133
116a01772
124124699
1326c8287
1418a95c1
15111c473
hexbaccd5

12242133 has 6 divisors (see below), whose sum is σ = 17683094. Its totient is φ = 8161416.

The previous prime is 12242123. The next prime is 12242161. The reversal of 12242133 is 33124221.

It can be written as a sum of positive squares in only one way, i.e., 7193124 + 5049009 = 2682^2 + 2247^2 .

It is not a de Polignac number, because 12242133 - 28 = 12241877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 680110 + ... + 680127.

Almost surely, 212242133 is an apocalyptic number.

It is an amenable number.

12242133 is a deficient number, since it is larger than the sum of its proper divisors (5440961).

12242133 is a wasteful number, since it uses less digits than its factorization.

12242133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360243 (or 1360240 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12242133 is about 3498.8759623628. The cubic root of 12242133 is about 230.4724566854.

Adding to 12242133 its reverse (33124221), we get a palindrome (45366354).

The spelling of 12242133 in words is "twelve million, two hundred forty-two thousand, one hundred thirty-three".

Divisors: 1 3 9 1360237 4080711 12242133