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12322030 = 257225147
BaseRepresentation
bin101111000000…
…010011101110
3212012000122111
4233000103232
511123301110
61120034234
7206510200
oct57002356
925160574
1012322030
116a567a6
12416297a
132725756
1418ca770
151135e8a
hexbc04ee

12322030 has 24 divisors (see below), whose sum is σ = 25801848. Its totient is φ = 4224528.

The previous prime is 12322027. The next prime is 12322031. The reversal of 12322030 is 3022321.

It is a happy number.

12322030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12322030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12084 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (1075077).

Almost surely, 212322030 is an apocalyptic number.

12322030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12322030 is an abundant number, since it is smaller than the sum of its proper divisors (13479818).

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

12322030 is a wasteful number, since it uses less digits than its factorization.

12322030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25168 (or 25161 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 12322030 is about 3510.2749180086. The cubic root of 12322030 is about 230.9727546685.

Adding to 12322030 its reverse (3022321), we get a palindrome (15344351).

The spelling of 12322030 in words is "twelve million, three hundred twenty-two thousand, thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 25147 50294 125735 176029 251470 352058 880145 1232203 1760290 2464406 6161015 12322030