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12031332 = 2231952769
BaseRepresentation
bin101101111001…
…010101100100
3211122020212220
4231321111210
511040000312
61105512340
7204156525
oct55712544
924566786
1012031332
116878355
1240426b0
132653341
14185284c
1510c9c8c
hexb79564

12031332 has 24 divisors (see below), whose sum is σ = 29551200. Its totient is φ = 3799296.

The previous prime is 12031319. The next prime is 12031337. The reversal of 12031332 is 23313021.

It is not an unprimeable number, because it can be changed into a prime (12031337) 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, 26157 + ... + 26612.

It is an arithmetic number, because the mean of its divisors is an integer number (1231300).

Almost surely, 212031332 is an apocalyptic number.

12031332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12031332 is an abundant number, since it is smaller than the sum of its proper divisors (17519868).

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

12031332 is a wasteful number, since it uses less digits than its factorization.

12031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52795 (or 52793 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 12031332 is about 3468.6210516573. The cubic root of 12031332 is about 229.1419319346.

Adding to 12031332 its reverse (23313021), we get a palindrome (35344353).

The spelling of 12031332 in words is "twelve million, thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 52769 105538 158307 211076 316614 633228 1002611 2005222 3007833 4010444 6015666 12031332