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12424873 = 47264359
BaseRepresentation
bin101111011001…
…011010101001
3212101020201111
4233121122221
511140043443
61122150321
7210416056
oct57313251
925336644
1012424873
117016a9a
1241b23a1
1327604c6
14191602d
15115669d
hexbd96a9

12424873 has 4 divisors (see below), whose sum is σ = 12689280. Its totient is φ = 12160468.

The previous prime is 12424861. The next prime is 12424877. The reversal of 12424873 is 37842421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12424873 is a prime.

It is a super-2 number, since 2×124248732 = 308754938132258, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12424877) 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, 132133 + ... + 132226.

It is an arithmetic number, because the mean of its divisors is an integer number (3172320).

Almost surely, 212424873 is an apocalyptic number.

It is an amenable number.

12424873 is a deficient number, since it is larger than the sum of its proper divisors (264407).

12424873 is an equidigital number, since it uses as much as digits as its factorization.

12424873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264406.

The product of its digits is 10752, while the sum is 31.

The square root of 12424873 is about 3524.8933317194. The cubic root of 12424873 is about 231.6135622346.

The spelling of 12424873 in words is "twelve million, four hundred twenty-four thousand, eight hundred seventy-three".

Divisors: 1 47 264359 12424873