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12430045 = 52486009
BaseRepresentation
bin101111011010…
…101011011101
3212101111211001
4233122223131
511140230140
61122230301
7210440125
oct57325335
925344731
1012430045
11701a971
1241b5391
132762974
141917c85
151157e9a
hexbdaadd

12430045 has 4 divisors (see below), whose sum is σ = 14916060. Its totient is φ = 9944032.

The previous prime is 12430021. The next prime is 12430049. The reversal of 12430045 is 54003421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5659641 + 6770404 = 2379^2 + 2602^2 .

It is a cyclic number.

It is not a de Polignac number, because 12430045 - 211 = 12427997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12430049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243000 + ... + 1243009.

It is an arithmetic number, because the mean of its divisors is an integer number (3729015).

Almost surely, 212430045 is an apocalyptic number.

It is an amenable number.

12430045 is a deficient number, since it is larger than the sum of its proper divisors (2486015).

12430045 is an equidigital number, since it uses as much as digits as its factorization.

12430045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486014.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12430045 is about 3525.6268946104. The cubic root of 12430045 is about 231.6456950692.

Adding to 12430045 its reverse (54003421), we get a palindrome (66433466).

The spelling of 12430045 in words is "twelve million, four hundred thirty thousand, forty-five".

Divisors: 1 5 2486009 12430045