Base | Representation |
---|---|
bin | 1011001110000… |
… | …0010101010101 |
3 | 10021112200222201 |
4 | 2303200111111 |
5 | 44021244323 |
6 | 4400324501 |
7 | 1110654061 |
oct | 263402525 |
9 | 107480881 |
10 | 47056213 |
11 | 24620036 |
12 | 13913731 |
13 | 9997519 |
14 | 636caa1 |
15 | 41e78ad |
hex | 2ce0555 |
47056213 has 2 divisors, whose sum is σ = 47056214. Its totient is φ = 47056212.
The previous prime is 47056211. The next prime is 47056253. The reversal of 47056213 is 31265074.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 23794884 + 23261329 = 4878^2 + 4823^2 .
It is a cyclic number.
It is not a de Polignac number, because 47056213 - 21 = 47056211 is a prime.
Together with 47056211, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47056211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23528106 + 23528107.
It is an arithmetic number, because the mean of its divisors is an integer number (23528107).
Almost surely, 247056213 is an apocalyptic number.
It is an amenable number.
47056213 is a deficient number, since it is larger than the sum of its proper divisors (1).
47056213 is an equidigital number, since it uses as much as digits as its factorization.
47056213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5040, while the sum is 28.
The square root of 47056213 is about 6859.7531296687. The cubic root of 47056213 is about 361.0264251188.
The spelling of 47056213 in words is "forty-seven million, fifty-six thousand, two hundred thirteen".
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