Base | Representation |
---|---|
bin | 1011010101001… |
… | …1100101001101 |
3 | 10022102200112021 |
4 | 2311103211031 |
5 | 44131401034 |
6 | 4414410141 |
7 | 1114661245 |
oct | 265234515 |
9 | 108380467 |
10 | 47528269 |
11 | 24912768 |
12 | 13b00951 |
13 | 9b01349 |
14 | 6452b25 |
15 | 428c6b4 |
hex | 2d5394d |
47528269 has 2 divisors, whose sum is σ = 47528270. Its totient is φ = 47528268.
The previous prime is 47528267. The next prime is 47528279. The reversal of 47528269 is 96282574.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 47472100 + 56169 = 6890^2 + 237^2 .
It is a cyclic number.
It is not a de Polignac number, because 47528269 - 21 = 47528267 is a prime.
It is a super-2 number, since 2×475282692 = 4517872708272722, which contains 22 as substring.
Together with 47528267, 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 (47528267) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23764134 + 23764135.
It is an arithmetic number, because the mean of its divisors is an integer number (23764135).
Almost surely, 247528269 is an apocalyptic number.
It is an amenable number.
47528269 is a deficient number, since it is larger than the sum of its proper divisors (1).
47528269 is an equidigital number, since it uses as much as digits as its factorization.
47528269 is an evil number, because the sum of its binary digits is even.
The product of its digits is 241920, while the sum is 43.
The square root of 47528269 is about 6894.0749198134. The cubic root of 47528269 is about 362.2296524119.
The spelling of 47528269 in words is "forty-seven million, five hundred twenty-eight thousand, two hundred sixty-nine".
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