Base | Representation |
---|---|
bin | 10110101011011… |
… | …01010011110000 |
3 | 111020222012012100 |
4 | 23111231103300 |
5 | 342200134414 |
6 | 30513300400 |
7 | 4500004344 |
oct | 1325552360 |
9 | 436865170 |
10 | 190239984 |
11 | 98427130 |
12 | 53864700 |
13 | 3054aa4c |
14 | 1b3a1624 |
15 | 11a7c609 |
hex | b56d4f0 |
190239984 has 120 divisors (see below), whose sum is σ = 588212352. Its totient is φ = 56914560.
The previous prime is 190239983. The next prime is 190239991. The reversal of 190239984 is 489932091.
190239984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190239983) 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, 130749 + ... + 132195.
Almost surely, 2190239984 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 190239984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294106176).
190239984 is an abundant number, since it is smaller than the sum of its proper divisors (397972368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190239984 is a wasteful number, since it uses less digits than its factorization.
190239984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1555 (or 1546 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 45.
The square root of 190239984 is about 13792.7511396385. The cubic root of 190239984 is about 575.1316487471.
The spelling of 190239984 in words is "one hundred ninety million, two hundred thirty-nine thousand, nine hundred eighty-four".
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