Base | Representation |
---|---|
bin | 11010001100100… |
… | …00111011111100 |
3 | 120022111020220101 |
4 | 31012100323330 |
5 | 422223333134 |
6 | 33445530444 |
7 | 5305545010 |
oct | 1506207374 |
9 | 508436811 |
10 | 219746044 |
11 | 10304a501 |
12 | 61713a24 |
13 | 366abc5b |
14 | 21282540 |
15 | 14459e14 |
hex | d190efc |
219746044 has 12 divisors (see below), whose sum is σ = 439492144. Its totient is φ = 94176864.
The previous prime is 219746027. The next prime is 219746047. The reversal of 219746044 is 440647912.
It is a happy number.
219746044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
219746044 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 219745994 and 219746012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (219746047) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3924009 + ... + 3924064.
Almost surely, 2219746044 is an apocalyptic number.
It is an amenable number.
219746044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219746044 is a wasteful number, since it uses less digits than its factorization.
219746044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7848084 (or 7848082 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 37.
The square root of 219746044 is about 14823.8336472048. The cubic root of 219746044 is about 603.4486987420.
The spelling of 219746044 in words is "two hundred nineteen million, seven hundred forty-six thousand, forty-four".
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