Base | Representation |
---|---|
bin | 11001100100000… |
… | …10000111000111 |
3 | 112221111210201120 |
4 | 30302002013013 |
5 | 414344124224 |
6 | 33140125023 |
7 | 5212505421 |
oct | 1462020707 |
9 | 487453646 |
10 | 214442439 |
11 | 100057862 |
12 | 5b996773 |
13 | 35572c23 |
14 | 206a1811 |
15 | 13c5d779 |
hex | cc821c7 |
214442439 has 16 divisors (see below), whose sum is σ = 288684000. Its totient is φ = 141587456.
The previous prime is 214442413. The next prime is 214442441. The reversal of 214442439 is 934244412.
It is a cyclic number.
It is not a de Polignac number, because 214442439 - 223 = 206053831 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214442479) 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, 264667 + ... + 265475.
It is an arithmetic number, because the mean of its divisors is an integer number (18042750).
Almost surely, 2214442439 is an apocalyptic number.
214442439 is a deficient number, since it is larger than the sum of its proper divisors (74241561).
214442439 is a wasteful number, since it uses less digits than its factorization.
214442439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1554.
The product of its digits is 27648, while the sum is 33.
The square root of 214442439 is about 14643.8532838867. The cubic root of 214442439 is about 598.5543334334.
The spelling of 214442439 in words is "two hundred fourteen million, four hundred forty-two thousand, four hundred thirty-nine".
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