Base | Representation |
---|---|
bin | 10110101011010… |
… | …00111111001000 |
3 | 111020221021220122 |
4 | 23111220333020 |
5 | 342144103110 |
6 | 30513042412 |
7 | 4466601623 |
oct | 1325507710 |
9 | 436837818 |
10 | 190222280 |
11 | 984148a6 |
12 | 53856408 |
13 | 30542981 |
14 | 1b398dba |
15 | 11a77255 |
hex | b568fc8 |
190222280 has 16 divisors (see below), whose sum is σ = 428000220. Its totient is φ = 76088896.
The previous prime is 190222273. The next prime is 190222303. The reversal of 190222280 is 82222091.
It can be written as a sum of positive squares in 2 ways, for example, as 187744804 + 2477476 = 13702^2 + 1574^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2377739 + ... + 2377818.
Almost surely, 2190222280 is an apocalyptic number.
190222280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
190222280 is an abundant number, since it is smaller than the sum of its proper divisors (237777940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190222280 is a wasteful number, since it uses less digits than its factorization.
190222280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4755568 (or 4755564 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 190222280 is about 13792.1093383137. The cubic root of 190222280 is about 575.1138073408.
The spelling of 190222280 in words is "one hundred ninety million, two hundred twenty-two thousand, two hundred eighty".
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