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12318342 = 238772341
BaseRepresentation
bin101110111111…
…011010000110
3212011211120220
4232333122012
511123141332
61120005210
7206463351
oct56773206
925154526
1012318342
116a53a53
124160806
132723b7a
1418c9298
151134d2c
hexbbf686

12318342 has 16 divisors (see below), whose sum is σ = 24675312. Its totient is φ = 4099680.

The previous prime is 12318329. The next prime is 12318343. The reversal of 12318342 is 24381321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318343) 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, 4092 + ... + 6432.

It is an arithmetic number, because the mean of its divisors is an integer number (1542207).

Almost surely, 212318342 is an apocalyptic number.

12318342 is an abundant number, since it is smaller than the sum of its proper divisors (12356970).

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

12318342 is a wasteful number, since it uses less digits than its factorization.

12318342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223.

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

The square root of 12318342 is about 3509.7495637153. The cubic root of 12318342 is about 230.9497088847.

Adding to 12318342 its reverse (24381321), we get a palindrome (36699663).

The spelling of 12318342 in words is "twelve million, three hundred eighteen thousand, three hundred forty-two".

Divisors: 1 2 3 6 877 1754 2341 2631 4682 5262 7023 14046 2053057 4106114 6159171 12318342