Base | Representation |
---|---|
bin | 10000001110010… |
… | …101000111101100 |
3 | 200222011210012110 |
4 | 100032111013230 |
5 | 1024140120410 |
6 | 43002004020 |
7 | 6513410424 |
oct | 2016250754 |
9 | 628153173 |
10 | 272191980 |
11 | 12a710955 |
12 | 771a6610 |
13 | 44512758 |
14 | 28215484 |
15 | 18d69720 |
hex | 103951ec |
272191980 has 48 divisors (see below), whose sum is σ = 782742240. Its totient is φ = 70622208.
The previous prime is 272191979. The next prime is 272192069. The reversal of 272191980 is 89191272.
272191980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59085 + ... + 63524.
It is an arithmetic number, because the mean of its divisors is an integer number (16307130).
Almost surely, 2272191980 is an apocalyptic number.
272191980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
272191980 is an abundant number, since it is smaller than the sum of its proper divisors (510550260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
272191980 is a wasteful number, since it uses less digits than its factorization.
272191980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122658 (or 122656 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 39.
The square root of 272191980 is about 16498.2417244990. The cubic root of 272191980 is about 648.0747608455.
The spelling of 272191980 in words is "two hundred seventy-two million, one hundred ninety-one thousand, nine hundred eighty".
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