Base | Representation |
---|---|
bin | 1011001110111… |
… | …0111111010101 |
3 | 10021122202100010 |
4 | 2303232333111 |
5 | 44030204440 |
6 | 4401510433 |
7 | 1111324101 |
oct | 263567725 |
9 | 107582303 |
10 | 47116245 |
11 | 24661150 |
12 | 13942419 |
13 | 99b8947 |
14 | 6386901 |
15 | 420a580 |
hex | 2ceefd5 |
47116245 has 16 divisors (see below), whose sum is σ = 82239552. Its totient is φ = 22844160.
The previous prime is 47116229. The next prime is 47116247. The reversal of 47116245 is 54261174.
It is not a de Polignac number, because 47116245 - 24 = 47116229 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47116247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142612 + ... + 142941.
It is an arithmetic number, because the mean of its divisors is an integer number (5139972).
Almost surely, 247116245 is an apocalyptic number.
It is an amenable number.
47116245 is a deficient number, since it is larger than the sum of its proper divisors (35123307).
47116245 is a wasteful number, since it uses less digits than its factorization.
47116245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285572.
The product of its digits is 6720, while the sum is 30.
The square root of 47116245 is about 6864.1274026638. The cubic root of 47116245 is about 361.1798864579.
Subtracting 47116245 from its reverse (54261174), we obtain a square (7144929 = 26732).
The spelling of 47116245 in words is "forty-seven million, one hundred sixteen thousand, two hundred forty-five".
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