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12478482 = 233673449
BaseRepresentation
bin101111100110…
…100000010010
3212110222021000
4233212200102
511143302412
61123242430
7211031262
oct57464022
925428230
1012478482
1170532a5
124219416
13277ba23
14192b7a2
1511674dc
hexbe6812

12478482 has 32 divisors (see below), whose sum is σ = 28152000. Its totient is φ = 4096224.

The previous prime is 12478457. The next prime is 12478483. The reversal of 12478482 is 28487421.

It is not an unprimeable number, because it can be changed into a prime (12478483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894 + ... + 5342.

It is an arithmetic number, because the mean of its divisors is an integer number (879750).

Almost surely, 212478482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12478482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14076000).

12478482 is an abundant number, since it is smaller than the sum of its proper divisors (15673518).

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

12478482 is a wasteful number, since it uses less digits than its factorization.

12478482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527 (or 3521 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 12478482 is about 3532.4894904302. The cubic root of 12478482 is about 231.9461949146.

It can be divided in two parts, 124 and 78482, that added together give a triangular number (78606 = T396).

The spelling of 12478482 in words is "twelve million, four hundred seventy-eight thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 67 134 201 402 603 1206 1809 3449 3618 6898 10347 20694 31041 62082 93123 186246 231083 462166 693249 1386498 2079747 4159494 6239241 12478482