Base | Representation |
---|---|
bin | 101110111011… |
… | …111001000011 |
3 | 212011002211110 |
4 | 232323321003 |
5 | 11122211224 |
6 | 1115414403 |
7 | 206403354 |
oct | 56737103 |
9 | 25132743 |
10 | 12303939 |
11 | 6a4414a |
12 | 4154403 |
13 | 271a44b |
14 | 18c3d2b |
15 | 1130929 |
hex | bbbe43 |
12303939 has 4 divisors (see below), whose sum is σ = 16405256. Its totient is φ = 8202624.
The previous prime is 12303911. The next prime is 12303953. The reversal of 12303939 is 93930321.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 12303939 - 216 = 12238403 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12303979) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050654 + ... + 2050659.
It is an arithmetic number, because the mean of its divisors is an integer number (4101314).
Almost surely, 212303939 is an apocalyptic number.
12303939 is a deficient number, since it is larger than the sum of its proper divisors (4101317).
12303939 is an equidigital number, since it uses as much as digits as its factorization.
12303939 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4101316.
The product of its (nonzero) digits is 4374, while the sum is 30.
The square root of 12303939 is about 3507.6971077902. The cubic root of 12303939 is about 230.8596625151.
The spelling of 12303939 in words is "twelve million, three hundred three thousand, nine hundred thirty-nine".
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