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12433481 is a prime number
BaseRepresentation
bin101111011011…
…100001001001
3212101200112022
4233123201021
511140332411
61122254225
7210453134
oct57334111
925350468
1012433481
117022505
1241b7375
1327643b8
14191921b
151158edb
hexbdb849

12433481 has 2 divisors, whose sum is σ = 12433482. Its totient is φ = 12433480.

The previous prime is 12433459. The next prime is 12433513. The reversal of 12433481 is 18433421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8497225 + 3936256 = 2915^2 + 1984^2 .

It is a cyclic number.

It is not a de Polignac number, because 12433481 - 26 = 12433417 is a prime.

It is a super-2 number, since 2×124334812 = 309182899554722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12433481.

It is not a weakly prime, because it can be changed into another prime (12433381) 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 as a sum of consecutive naturals, namely, 6216740 + 6216741.

It is an arithmetic number, because the mean of its divisors is an integer number (6216741).

Almost surely, 212433481 is an apocalyptic number.

It is an amenable number.

12433481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12433481 is an equidigital number, since it uses as much as digits as its factorization.

12433481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 12433481 is about 3526.1141501659. The cubic root of 12433481 is about 231.6670374773.

The spelling of 12433481 in words is "twelve million, four hundred thirty-three thousand, four hundred eighty-one".