Base | Representation |
---|---|
bin | 1100011001100… |
… | …1001111100101 |
3 | 10121212021102212 |
4 | 3012121033211 |
5 | 101303223114 |
6 | 5054413205 |
7 | 1201026362 |
oct | 306311745 |
9 | 117767385 |
10 | 52007909 |
11 | 273a2348 |
12 | 15501205 |
13 | aa0c315 |
14 | 6c9b469 |
15 | 4874b3e |
hex | 31993e5 |
52007909 has 2 divisors, whose sum is σ = 52007910. Its totient is φ = 52007908.
The previous prime is 52007849. The next prime is 52007927. The reversal of 52007909 is 90970025.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 42211009 + 9796900 = 6497^2 + 3130^2 .
It is a cyclic number.
It is not a de Polignac number, because 52007909 - 220 = 50959333 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 (52007939) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26003954 + 26003955.
It is an arithmetic number, because the mean of its divisors is an integer number (26003955).
Almost surely, 252007909 is an apocalyptic number.
It is an amenable number.
52007909 is a deficient number, since it is larger than the sum of its proper divisors (1).
52007909 is an equidigital number, since it uses as much as digits as its factorization.
52007909 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5670, while the sum is 32.
The square root of 52007909 is about 7211.6509205590. The cubic root of 52007909 is about 373.2700380755.
The spelling of 52007909 in words is "fifty-two million, seven thousand, nine hundred nine".
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