Base | Representation |
---|---|
bin | 1100100000101… |
… | …0101001111111 |
3 | 10122201212122222 |
4 | 3020022221333 |
5 | 101413104242 |
6 | 5112355555 |
7 | 1205002616 |
oct | 310125177 |
9 | 118655588 |
10 | 52472447 |
11 | 2768a365 |
12 | 156a5bbb |
13 | ab428b1 |
14 | 6d7c87d |
15 | 49175d2 |
hex | 320aa7f |
52472447 has 2 divisors, whose sum is σ = 52472448. Its totient is φ = 52472446.
The previous prime is 52472419. The next prime is 52472449. The reversal of 52472447 is 74427425.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 52472447 - 28 = 52472191 is a prime.
Together with 52472449, 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 (52472449) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26236223 + 26236224.
It is an arithmetic number, because the mean of its divisors is an integer number (26236224).
Almost surely, 252472447 is an apocalyptic number.
52472447 is a deficient number, since it is larger than the sum of its proper divisors (1).
52472447 is an equidigital number, since it uses as much as digits as its factorization.
52472447 is an evil number, because the sum of its binary digits is even.
The product of its digits is 62720, while the sum is 35.
The square root of 52472447 is about 7243.7867859290. The cubic root of 52472447 is about 374.3781028503.
The spelling of 52472447 in words is "fifty-two million, four hundred seventy-two thousand, four hundred forty-seven".
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