Base | Representation |
---|---|
bin | 1011010100100… |
… | …0011100100101 |
3 | 10022100100222002 |
4 | 2311020130211 |
5 | 44123421121 |
6 | 4413415045 |
7 | 1114411262 |
oct | 265103445 |
9 | 108310862 |
10 | 47482661 |
11 | 24891476 |
12 | 13a9a485 |
13 | 9ab6665 |
14 | 6440269 |
15 | 427de0b |
hex | 2d48725 |
47482661 has 2 divisors, whose sum is σ = 47482662. Its totient is φ = 47482660.
The previous prime is 47482651. The next prime is 47482663. The reversal of 47482661 is 16628474.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 44970436 + 2512225 = 6706^2 + 1585^2 .
It is a cyclic number.
It is not a de Polignac number, because 47482661 - 214 = 47466277 is a prime.
Together with 47482663, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47482663) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23741330 + 23741331.
It is an arithmetic number, because the mean of its divisors is an integer number (23741331).
Almost surely, 247482661 is an apocalyptic number.
It is an amenable number.
47482661 is a deficient number, since it is larger than the sum of its proper divisors (1).
47482661 is an equidigital number, since it uses as much as digits as its factorization.
47482661 is an evil number, because the sum of its binary digits is even.
The product of its digits is 64512, while the sum is 38.
The square root of 47482661 is about 6890.7663579605. The cubic root of 47482661 is about 362.1137504619.
The spelling of 47482661 in words is "forty-seven million, four hundred eighty-two thousand, six hundred sixty-one".
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