Base | Representation |
---|---|
bin | 11001100100010… |
… | …00010110101001 |
3 | 112221120002210121 |
4 | 30302020112221 |
5 | 414400434014 |
6 | 33140443241 |
7 | 5212643110 |
oct | 1462102651 |
9 | 487502717 |
10 | 214468009 |
11 | 100074a98 |
12 | 5b9a9521 |
13 | 35581762 |
14 | 206aac77 |
15 | 13c66124 |
hex | cc885a9 |
214468009 has 16 divisors (see below), whose sum is σ = 253376640. Its totient is φ = 177730560.
The previous prime is 214467989. The next prime is 214468019. The reversal of 214468009 is 900864412.
It is not a de Polignac number, because 214468009 - 25 = 214467977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (214468019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20937 + ... + 29449.
It is an arithmetic number, because the mean of its divisors is an integer number (15836040).
Almost surely, 2214468009 is an apocalyptic number.
It is an amenable number.
214468009 is a deficient number, since it is larger than the sum of its proper divisors (38908631).
214468009 is an equidigital number, since it uses as much as digits as its factorization.
214468009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8640.
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 214468009 is about 14644.7263204199. The cubic root of 214468009 is about 598.5781229191.
The spelling of 214468009 in words is "two hundred fourteen million, four hundred sixty-eight thousand, nine".
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