Search a number
-
+
12144262 = 2131972371
BaseRepresentation
bin101110010100…
…111010000110
3211211222210111
4232110322012
511102104022
61112143234
7205140004
oct56247206
924758714
1012144262
116945189
124097b1a
132692870
141881a74
1510ed477
hexb94e86

12144262 has 16 divisors (see below), whose sum is σ = 19725552. Its totient is φ = 5574240.

The previous prime is 12144257. The next prime is 12144263. The reversal of 12144262 is 26244121.

It is a happy number.

12144262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3937 + ... + 6307.

It is an arithmetic number, because the mean of its divisors is an integer number (1232847).

Almost surely, 212144262 is an apocalyptic number.

12144262 is a deficient number, since it is larger than the sum of its proper divisors (7581290).

12144262 is a wasteful number, since it uses less digits than its factorization.

12144262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583.

The product of its digits is 768, while the sum is 22.

The square root of 12144262 is about 3484.8618337030. The cubic root of 12144262 is about 229.8566340317.

Adding to 12144262 its reverse (26244121), we get a palindrome (38388383).

It can be divided in two parts, 1214 and 4262, that added together give a square (5476 = 742).

The spelling of 12144262 in words is "twelve million, one hundred forty-four thousand, two hundred sixty-two".

Divisors: 1 2 13 26 197 394 2371 2561 4742 5122 30823 61646 467087 934174 6072131 12144262