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12404233 = 73367463
BaseRepresentation
bin101111010100…
…011000001001
3212100012102001
4233110120021
511133413413
61121511001
7210301642
oct57243011
925305361
1012404233
117002536
1241a2461
132753caa
14190c6c9
1511504dd
hexbd4609

12404233 has 8 divisors (see below), whose sum is σ = 12635648. Its totient is φ = 12174624.

The previous prime is 12404201. The next prime is 12404269. The reversal of 12404233 is 33240421.

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

It is a cyclic number.

It is not a de Polignac number, because 12404233 - 25 = 12404201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12404233.

It is not an unprimeable number, because it can be changed into a prime (12404333) 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, 26560 + ... + 27022.

It is an arithmetic number, because the mean of its divisors is an integer number (1579456).

Almost surely, 212404233 is an apocalyptic number.

It is an amenable number.

12404233 is a deficient number, since it is larger than the sum of its proper divisors (231415).

12404233 is an equidigital number, since it uses as much as digits as its factorization.

12404233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12404233 is about 3521.9643666568. The cubic root of 12404233 is about 231.4852402397.

Adding to 12404233 its reverse (33240421), we get a palindrome (45644654).

The spelling of 12404233 in words is "twelve million, four hundred four thousand, two hundred thirty-three".

Divisors: 1 73 367 463 26791 33799 169921 12404233