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12403241 = 67185123
BaseRepresentation
bin101111010100…
…001000101001
3212100011001022
4233110020221
511133400431
61121502225
7210266024
oct57241051
925304038
1012403241
117001814
1241a1975
1327536c6
14190c1bb
15115007b
hexbd4229

12403241 has 4 divisors (see below), whose sum is σ = 12588432. Its totient is φ = 12218052.

The previous prime is 12403199. The next prime is 12403243. The reversal of 12403241 is 14230421.

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 not a de Polignac number, because 12403241 - 210 = 12402217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12403243) 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 3 ways as a sum of consecutive naturals, for example, 92495 + ... + 92628.

It is an arithmetic number, because the mean of its divisors is an integer number (3147108).

Almost surely, 212403241 is an apocalyptic number.

It is an amenable number.

12403241 is a deficient number, since it is larger than the sum of its proper divisors (185191).

12403241 is an equidigital number, since it uses as much as digits as its factorization.

12403241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185190.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12403241 is about 3521.8235333418. The cubic root of 12403241 is about 231.4790692420.

Adding to 12403241 its reverse (14230421), we get a palindrome (26633662).

The spelling of 12403241 in words is "twelve million, four hundred three thousand, two hundred forty-one".

Divisors: 1 67 185123 12403241