Base | Representation |
---|---|
bin | 1011011100001… |
… | …1000110101111 |
3 | 10100021220010212 |
4 | 2313003012233 |
5 | 44241010241 |
6 | 4432253035 |
7 | 1121603111 |
oct | 267030657 |
9 | 110256125 |
10 | 47985071 |
11 | 250a4992 |
12 | 140a117b |
13 | 9c31244 |
14 | 65313b1 |
15 | 432cbeb |
hex | 2dc31af |
47985071 has 2 divisors, whose sum is σ = 47985072. Its totient is φ = 47985070.
The previous prime is 47985043. The next prime is 47985097. The reversal of 47985071 is 17058974.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 47985071 - 222 = 43790767 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47985031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23992535 + 23992536.
It is an arithmetic number, because the mean of its divisors is an integer number (23992536).
Almost surely, 247985071 is an apocalyptic number.
47985071 is a deficient number, since it is larger than the sum of its proper divisors (1).
47985071 is an equidigital number, since it uses as much as digits as its factorization.
47985071 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 70560, while the sum is 41.
The square root of 47985071 is about 6927.1257387173. The cubic root of 47985071 is about 363.3864371689.
The spelling of 47985071 in words is "forty-seven million, nine hundred eighty-five thousand, seventy-one".
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