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12342330 = 232571113137
BaseRepresentation
bin101111000101…
…010000111010
3212020001111100
4233011100322
511124423310
61120312230
7206623320
oct57052072
925201440
1012342330
116a6aa80
124172676
132731a70
1418d3d10
15113bec0
hexbc543a

12342330 has 192 divisors, whose sum is σ = 43400448. Its totient is φ = 2350080.

The previous prime is 12342307. The next prime is 12342331. The reversal of 12342330 is 3324321.

12342330 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12342331) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90022 + ... + 90158.

It is an arithmetic number, because the mean of its divisors is an integer number (226044).

Almost surely, 212342330 is an apocalyptic number.

12342330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12342330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21700224).

12342330 is an abundant number, since it is smaller than the sum of its proper divisors (31058118).

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

12342330 is a wasteful number, since it uses less digits than its factorization.

12342330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 12342330 is about 3513.1652394956. The cubic root of 12342330 is about 231.0995242143.

Adding to 12342330 its reverse (3324321), we get a palindrome (15666651).

Subtracting from 12342330 its reverse (3324321), we obtain a square (9018009 = 30032).

The spelling of 12342330 in words is "twelve million, three hundred forty-two thousand, three hundred thirty".