Base | Representation |
---|---|
bin | 1011011000010… |
… | …0001000100100 |
3 | 10022210210022212 |
4 | 2312010020210 |
5 | 44204232030 |
6 | 4422542552 |
7 | 1116450116 |
oct | 266041044 |
9 | 108723285 |
10 | 47727140 |
11 | 24a3911a |
12 | 13b97a58 |
13 | 9b70a16 |
14 | 64a53b6 |
15 | 42cb595 |
hex | 2d84224 |
47727140 has 24 divisors (see below), whose sum is σ = 101356920. Its totient is φ = 18875648.
The previous prime is 47727133. The next prime is 47727167. The reversal of 47727140 is 4172774.
It can be written as a sum of positive squares in 4 ways, for example, as 3717184 + 44009956 = 1928^2 + 6634^2 .
It is a junction number, because it is equal to n+sod(n) for n = 47727097 and 47727106.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11627 + ... + 15186.
It is an arithmetic number, because the mean of its divisors is an integer number (4223205).
Almost surely, 247727140 is an apocalyptic number.
It is an amenable number.
47727140 is an abundant number, since it is smaller than the sum of its proper divisors (53629780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47727140 is a wasteful number, since it uses less digits than its factorization.
47727140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26911 (or 26909 counting only the distinct ones).
The product of its (nonzero) digits is 10976, while the sum is 32.
The square root of 47727140 is about 6908.4831909761. The cubic root of 47727140 is about 362.7341713269.
The spelling of 47727140 in words is "forty-seven million, seven hundred twenty-seven thousand, one hundred forty".
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