Base | Representation |
---|---|
bin | 11010000111101… |
… | …01001010100000 |
3 | 120021021211200010 |
4 | 31003311022200 |
5 | 422042424000 |
6 | 33424124520 |
7 | 5300246556 |
oct | 1503651240 |
9 | 507254603 |
10 | 219108000 |
11 | 1027540a1 |
12 | 61466740 |
13 | 36517707 |
14 | 21157bd6 |
15 | 14380d50 |
hex | d0f52a0 |
219108000 has 288 divisors, whose sum is σ = 780736320. Its totient is φ = 53568000.
The previous prime is 219107983. The next prime is 219108007. The reversal of 219108000 is 801912.
It is not an unprimeable number, because it can be changed into a prime (219108007) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7067985 + ... + 7068015.
It is an arithmetic number, because the mean of its divisors is an integer number (2710890).
Almost surely, 2219108000 is an apocalyptic number.
219108000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 219108000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390368160).
219108000 is an abundant number, since it is smaller than the sum of its proper divisors (561628320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219108000 is a wasteful number, since it uses less digits than its factorization.
219108000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109 (or 60 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 21.
The square root of 219108000 is about 14802.2971190285. The cubic root of 219108000 is about 602.8640843917.
Adding to 219108000 its reverse (801912), we get a palindrome (219909912).
The spelling of 219108000 in words is "two hundred nineteen million, one hundred eight thousand".
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