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BaseRepresentation
bin110000101001…
…010010101011
3212222212111220
4300221102223
511231031133
61133153123
7213250653
oct60512253
925885456
1012752043
11721a887
12432b7a3
1328463b5
14199d363
1511bd5b3
hexc294ab

12752043 has 8 divisors (see below), whose sum is σ = 17256768. Its totient is φ = 8374344.

The previous prime is 12752029. The next prime is 12752053. The reversal of 12752043 is 34025721.

Adding to 12752043 its reverse (34025721), we get a palindrome (46777764).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12752043 - 24 = 12752027 is a prime.

It is a super-2 number, since 2×127520432 = 325229201347698, which contains 22 as substring.

It is a Lucas number.

It is not an unprimeable number, because it can be changed into a prime (12752053) 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 7 ways as a sum of consecutive naturals, for example, 31521 + ... + 31922.

It is an arithmetic number, because the mean of its divisors is an integer number (2157096).

Almost surely, 212752043 is an apocalyptic number.

12752043 is a deficient number, since it is larger than the sum of its proper divisors (4504725).

12752043 is an equidigital number, since it uses as much as digits as its factorization.

12752043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63513.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 12752043 is about 3571.0002800336. Note that the first 3 decimals coincide. The cubic root of 12752043 is about 233.6289136175.

The spelling of 12752043 in words is "twelve million, seven hundred fifty-two thousand, forty-three".

Divisors: 1 3 67 201 63443 190329 4250681 12752043