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12231130 = 253593407
BaseRepresentation
bin101110101010…
…000111011010
3212000101221211
4232222013122
511112344010
61114053334
7205651162
oct56520732
925011854
1012231130
1169a447a
12411a24a
1326c3272
1418a55a2
15111908a
hexbaa1da

12231130 has 16 divisors (see below), whose sum is σ = 22083840. Its totient is φ = 4877392.

The previous prime is 12231083. The next prime is 12231133. The reversal of 12231130 is 3113221.

It is a self number, because there is not a number n which added to its sum of digits gives 12231130.

It is not an unprimeable number, because it can be changed into a prime (12231133) 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 7 ways as a sum of consecutive naturals, for example, 1887 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (1380240).

Almost surely, 212231130 is an apocalyptic number.

12231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12231130 is a deficient number, since it is larger than the sum of its proper divisors (9852710).

12231130 is a wasteful number, since it uses less digits than its factorization.

12231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12231130 is about 3497.3032467889. The cubic root of 12231130 is about 230.4033878786.

Adding to 12231130 its reverse (3113221), we get a palindrome (15344351).

The spelling of 12231130 in words is "twelve million, two hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 359 718 1795 3407 3590 6814 17035 34070 1223113 2446226 6115565 12231130