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12450538 = 252311903
BaseRepresentation
bin101111011111…
…101011101010
3212102112221001
4233133223222
511141404123
61122505214
7210553642
oct57375352
925375831
1012450538
117034301
12420520a
13276c0a9
141921522
15115e0ad
hexbdfaea

12450538 has 8 divisors (see below), whose sum is σ = 18713088. Its totient is φ = 6212844.

The previous prime is 12450523. The next prime is 12450539. The reversal of 12450538 is 83505421.

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

It is not an unprimeable number, because it can be changed into a prime (12450539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4906 + ... + 6997.

It is an arithmetic number, because the mean of its divisors is an integer number (2339136).

Almost surely, 212450538 is an apocalyptic number.

12450538 is a deficient number, since it is larger than the sum of its proper divisors (6262550).

12450538 is a wasteful number, since it uses less digits than its factorization.

12450538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12428.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 12450538 is about 3528.5319893690. The cubic root of 12450538 is about 231.7729273469.

Adding to 12450538 its reverse (83505421), we get a palindrome (95955959).

The spelling of 12450538 in words is "twelve million, four hundred fifty thousand, five hundred thirty-eight".

Divisors: 1 2 523 1046 11903 23806 6225269 12450538