Base | Representation |
---|---|
bin | 101111000100… |
… | …010011110011 |
3 | 212012212010111 |
4 | 233010103303 |
5 | 11124312134 |
6 | 1120242151 |
7 | 206606032 |
oct | 57042363 |
9 | 25185114 |
10 | 12338419 |
11 | 6a68045 |
12 | 4170357 |
13 | 2730052 |
14 | 18d2719 |
15 | 113ac64 |
hex | bc44f3 |
12338419 has 4 divisors (see below), whose sum is σ = 12874896. Its totient is φ = 11801944.
The previous prime is 12338383. The next prime is 12338423. The reversal of 12338419 is 91483321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91483321 = 4673 ⋅19577.
It is not a de Polignac number, because 12338419 - 211 = 12336371 is a prime.
It is a super-2 number, since 2×123384192 = 304473166839122, which contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12338449) 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, 268204 + ... + 268249.
It is an arithmetic number, because the mean of its divisors is an integer number (3218724).
Almost surely, 212338419 is an apocalyptic number.
12338419 is a deficient number, since it is larger than the sum of its proper divisors (536477).
12338419 is an equidigital number, since it uses as much as digits as its factorization.
12338419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 536476.
The product of its digits is 5184, while the sum is 31.
The square root of 12338419 is about 3512.6085748344. The cubic root of 12338419 is about 231.0751115974.
The spelling of 12338419 in words is "twelve million, three hundred thirty-eight thousand, four hundred nineteen".
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