Base | Representation |
---|---|
bin | 1100100111111… |
… | …0110011110001 |
3 | 10200122001021210 |
4 | 3021332303301 |
5 | 102023320314 |
6 | 5130510333 |
7 | 1212023646 |
oct | 311766361 |
9 | 120561253 |
10 | 52948209 |
11 | 27984856 |
12 | 158953a9 |
13 | ac7b302 |
14 | 7063dcd |
15 | 49ad559 |
hex | 327ecf1 |
52948209 has 8 divisors (see below), whose sum is σ = 70703712. Its totient is φ = 35245760.
The previous prime is 52948177. The next prime is 52948213. The reversal of 52948209 is 90284925.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52948209 - 25 = 52948177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (52948009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10872 + ... + 14969.
It is an arithmetic number, because the mean of its divisors is an integer number (8837964).
Almost surely, 252948209 is an apocalyptic number.
It is an amenable number.
52948209 is a deficient number, since it is larger than the sum of its proper divisors (17755503).
52948209 is a wasteful number, since it uses less digits than its factorization.
52948209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26527.
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 52948209 is about 7276.5519994019. The cubic root of 52948209 is about 375.5061822159.
The spelling of 52948209 in words is "fifty-two million, nine hundred forty-eight thousand, two hundred nine".
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