Base | Representation |
---|---|
bin | 11001100100000… |
… | …10100010000100 |
3 | 112221111220002110 |
4 | 30302002202010 |
5 | 414344203124 |
6 | 33140141020 |
7 | 5212513434 |
oct | 1462024204 |
9 | 487456073 |
10 | 214444164 |
11 | 100059090 |
12 | 5b997770 |
13 | 3557394c |
14 | 206a22c4 |
15 | 13c5e029 |
hex | cc82884 |
214444164 has 48 divisors (see below), whose sum is σ = 546719040. Its totient is φ = 64880640.
The previous prime is 214444163. The next prime is 214444169. The reversal of 214444164 is 461444412.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (214444163) 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, 151492 + ... + 152900.
It is an arithmetic number, because the mean of its divisors is an integer number (11389980).
Almost surely, 2214444164 is an apocalyptic number.
It is an amenable number.
214444164 is an abundant number, since it is smaller than the sum of its proper divisors (332274876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214444164 is a wasteful number, since it uses less digits than its factorization.
214444164 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2580 (or 2578 counting only the distinct ones).
The product of its digits is 12288, while the sum is 30.
The square root of 214444164 is about 14643.9121822005. The cubic root of 214444164 is about 598.5559383761. Note that the first 3 decimals are identical.
Adding to 214444164 its reverse (461444412), we get a palindrome (675888576).
The spelling of 214444164 in words is "two hundred fourteen million, four hundred forty-four thousand, one hundred sixty-four".
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