Base | Representation |
---|---|
bin | 110110010010… |
… | …010100011001 |
3 | 222210000000000 |
4 | 312102110121 |
5 | 12120341214 |
6 | 1225003213 |
7 | 231650145 |
oct | 66222431 |
9 | 28700000 |
10 | 14230809 |
11 | 803a8aa |
12 | 4923509 |
13 | 2c434c8 |
14 | 1c66225 |
15 | 13b1809 |
hex | d92519 |
14230809 has 22 divisors (see below), whose sum is σ = 21434666. Its totient is φ = 9447840.
The previous prime is 14230781. The next prime is 14230847. The reversal of 14230809 is 90803241.
It can be written as a sum of positive squares in only one way, i.e., 13286025 + 944784 = 3645^2 + 972^2 .
It is not a de Polignac number, because 14230809 - 211 = 14228761 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a Curzon number.
It is a nialpdrome in base 3.
It is not an unprimeable number, because it can be changed into a prime (14230849) 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 21 ways as a sum of consecutive naturals, for example, 58929 + ... + 59169.
It is an arithmetic number, because the mean of its divisors is an integer number (974303).
Almost surely, 214230809 is an apocalyptic number.
It is an amenable number.
14230809 is a deficient number, since it is larger than the sum of its proper divisors (7203857).
14230809 is an frugal number, since it uses more digits than its factorization.
14230809 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271 (or 244 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 14230809 is about 3772.3744511912. The cubic root of 14230809 is about 242.3314959347.
The spelling of 14230809 in words is "fourteen million, two hundred thirty thousand, eight hundred nine".
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