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12424474 = 210956993
BaseRepresentation
bin101111011001…
…010100011010
3212101020011201
4233121110122
511140040344
61122144414
7210414646
oct57312432
925336151
1012424474
117016767
1241b210a
13276027a
141915c26
1511564d4
hexbd951a

12424474 has 8 divisors (see below), whose sum is σ = 18808020. Its totient is φ = 6155136.

The previous prime is 12424471. The next prime is 12424481. The reversal of 12424474 is 47442421.

It can be written as a sum of positive squares in 2 ways, for example, as 11512449 + 912025 = 3393^2 + 955^2 .

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 (12424471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28279 + ... + 28714.

Almost surely, 212424474 is an apocalyptic number.

12424474 is a deficient number, since it is larger than the sum of its proper divisors (6383546).

12424474 is a wasteful number, since it uses less digits than its factorization.

12424474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57104.

The product of its digits is 7168, while the sum is 28.

The square root of 12424474 is about 3524.8367338077. The cubic root of 12424474 is about 231.6110829389.

Adding to 12424474 its reverse (47442421), we get a palindrome (59866895).

The spelling of 12424474 in words is "twelve million, four hundred twenty-four thousand, four hundred seventy-four".

Divisors: 1 2 109 218 56993 113986 6212237 12424474