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12755430 = 2325239593
BaseRepresentation
bin110000101010…
…000111100110
3220000001011100
4300222013212
511231133210
61133220530
7213263562
oct60520746
926001140
1012755430
117222386
124331746
132847abc
1419a06a2
1511be5c0
hexc2a1e6

12755430 has 48 divisors (see below), whose sum is σ = 33359040. Its totient is φ = 3381504.

The previous prime is 12755429. The next prime is 12755437. The reversal of 12755430 is 3455721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12755394 and 12755403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12755437) 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 23 ways as a sum of consecutive naturals, for example, 21214 + ... + 21806.

It is an arithmetic number, because the mean of its divisors is an integer number (694980).

Almost surely, 212755430 is an apocalyptic number.

12755430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12755430 is an abundant number, since it is smaller than the sum of its proper divisors (20603610).

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

12755430 is a wasteful number, since it uses less digits than its factorization.

12755430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 12755430 is about 3571.4744854192. The cubic root of 12755430 is about 233.6495960834.

The spelling of 12755430 in words is "twelve million, seven hundred fifty-five thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 239 478 593 717 1186 1195 1434 1779 2151 2390 2965 3558 3585 4302 5337 5930 7170 8895 10674 10755 17790 21510 26685 53370 141727 283454 425181 708635 850362 1275543 1417270 2125905 2551086 4251810 6377715 12755430