Search a number
-
+
12231300 = 2235240771
BaseRepresentation
bin101110101010…
…001010000100
3212000102012010
4232222022010
511112400200
61114054220
7205651524
oct56521204
925012163
1012231300
1169a4614
12411a370
1326c3373
1418a5684
151119150
hexbaa284

12231300 has 36 divisors (see below), whose sum is σ = 35390096. Its totient is φ = 3261600.

The previous prime is 12231283. The next prime is 12231311. The reversal of 12231300 is 313221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20086 + ... + 20685.

Almost surely, 212231300 is an apocalyptic number.

12231300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231300 is an abundant number, since it is smaller than the sum of its proper divisors (23158796).

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

12231300 is a wasteful number, since it uses less digits than its factorization.

12231300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40788 (or 40781 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12231300 is about 3497.3275511453. The cubic root of 12231300 is about 230.4044553295.

Adding to 12231300 its reverse (313221), we get a palindrome (12544521).

The spelling of 12231300 in words is "twelve million, two hundred thirty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 40771 81542 122313 163084 203855 244626 407710 489252 611565 815420 1019275 1223130 2038550 2446260 3057825 4077100 6115650 12231300