Base | Representation |
---|---|
bin | 11001100100000… |
… | …10100110011100 |
3 | 112221111220110211 |
4 | 30302002212130 |
5 | 414344210234 |
6 | 33140142204 |
7 | 5212514314 |
oct | 1462024634 |
9 | 487456424 |
10 | 214444444 |
11 | 100059315 |
12 | 5b997964 |
13 | 35573b06 |
14 | 206a2444 |
15 | 13c5e164 |
hex | cc8299c |
214444444 has 24 divisors (see below), whose sum is σ = 392913360. Its totient is φ = 102273024.
The previous prime is 214444441. The next prime is 214444459. The reversal of 214444444 is 444444412.
It is a nude number because it is divisible by every one of its digits.
214444444 is a modest number, since divided by 44444 gives 2144 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214444441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509 + ... + 20764.
It is an arithmetic number, because the mean of its divisors is an integer number (16371390).
Almost surely, 2214444444 is an apocalyptic number.
It is an amenable number.
214444444 is a deficient number, since it is larger than the sum of its proper divisors (178468916).
214444444 is a wasteful number, since it uses less digits than its factorization.
214444444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22389 (or 22387 counting only the distinct ones).
The product of its digits is 32768, while the sum is 31.
The square root of 214444444 is about 14643.9217424841. The cubic root of 214444444 is about 598.5561988877.
Adding to 214444444 its reverse (444444412), we get a palindrome (658888856).
The spelling of 214444444 in words is "two hundred fourteen million, four hundred forty-four thousand, four hundred forty-four".
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