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12320268 = 2233133119
BaseRepresentation
bin101110111111…
…111000001100
3212011221020020
4232333320030
511123222033
61120022140
7206502102
oct56777014
925157206
1012320268
116a55444
124161950
1327249cc
1418c9c72
1511356b3
hexbbfe0c

12320268 has 24 divisors (see below), whose sum is σ = 29675520. Its totient is φ = 3974160.

The previous prime is 12320267. The next prime is 12320309. The reversal of 12320268 is 86202321.

It is not an unprimeable number, because it can be changed into a prime (12320267) 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, 16188 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (1236480).

Almost surely, 212320268 is an apocalyptic number.

It is an amenable number.

12320268 is an abundant number, since it is smaller than the sum of its proper divisors (17355252).

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

12320268 is a wasteful number, since it uses less digits than its factorization.

12320268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33157 (or 33155 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12320268 is about 3510.0239315423. The cubic root of 12320268 is about 230.9617447566.

Adding to 12320268 its reverse (86202321), we get a palindrome (98522589).

The spelling of 12320268 in words is "twelve million, three hundred twenty thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 33119 66238 99357 132476 198714 397428 1026689 2053378 3080067 4106756 6160134 12320268