Base | Representation |
---|---|
bin | 110111000101… |
… | …001001000011 |
3 | 1000011120120000 |
4 | 313011021003 |
5 | 12144021404 |
6 | 1233251043 |
7 | 233505102 |
oct | 67051103 |
9 | 30146500 |
10 | 14438979 |
11 | 8172245 |
12 | 4a03a83 |
13 | 2cb7199 |
14 | 1cbc039 |
15 | 1403339 |
hex | dc5243 |
14438979 has 10 divisors (see below), whose sum is σ = 21569460. Its totient is φ = 9625932.
The previous prime is 14438971. The next prime is 14438989. The reversal of 14438979 is 97983441.
It is not a de Polignac number, because 14438979 - 23 = 14438971 is a prime.
It is a super-2 number, since 2×144389792 = 416968229124882, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (14438971) 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 9 ways as a sum of consecutive naturals, for example, 89049 + ... + 89210.
It is an arithmetic number, because the mean of its divisors is an integer number (2156946).
Almost surely, 214438979 is an apocalyptic number.
14438979 is a deficient number, since it is larger than the sum of its proper divisors (7130481).
14438979 is an equidigital number, since it uses as much as digits as its factorization.
14438979 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178271 (or 178262 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The square root of 14438979 is about 3799.8656555199. The cubic root of 14438979 is about 243.5073988591.
The spelling of 14438979 in words is "fourteen million, four hundred thirty-eight thousand, nine hundred seventy-nine".
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