Base | Representation |
---|---|
bin | 11010000111010… |
… | …00010010010110 |
3 | 120021012011022120 |
4 | 31003220102112 |
5 | 422034232004 |
6 | 33423040410 |
7 | 5266640025 |
oct | 1503502226 |
9 | 507164276 |
10 | 219055254 |
11 | 102718500 |
12 | 61440106 |
13 | 364c96c2 |
14 | 211428bc |
15 | 143703d9 |
hex | d0e8496 |
219055254 has 48 divisors (see below), whose sum is σ = 490731696. Its totient is φ = 65116480.
The previous prime is 219055253. The next prime is 219055267. The reversal of 219055254 is 452550912.
219055254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2190552543 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (219055253) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35632 + ... + 41324.
It is an arithmetic number, because the mean of its divisors is an integer number (10223577).
Almost surely, 2219055254 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 219055254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245365848).
219055254 is an abundant number, since it is smaller than the sum of its proper divisors (271676442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219055254 is a wasteful number, since it uses less digits than its factorization.
219055254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5773 (or 5762 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 33.
The square root of 219055254 is about 14800.5153288661. The cubic root of 219055254 is about 602.8157045654.
The spelling of 219055254 in words is "two hundred nineteen million, fifty-five thousand, two hundred fifty-four".
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