Base | Representation |
---|---|
bin | 11110000111000… |
… | …01001101100101 |
3 | 122121021102121002 |
4 | 33003201031211 |
5 | 1004130040314 |
6 | 41021403045 |
7 | 6154620623 |
oct | 1703411545 |
9 | 577242532 |
10 | 252580709 |
11 | 11a636697 |
12 | 70709485 |
13 | 40437254 |
14 | 2578c513 |
15 | 17293ade |
hex | f0e1365 |
252580709 has 2 divisors, whose sum is σ = 252580710. Its totient is φ = 252580708.
The previous prime is 252580681. The next prime is 252580751. The reversal of 252580709 is 907085252.
252580709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 198190084 + 54390625 = 14078^2 + 7375^2 .
It is a cyclic number.
It is not a de Polignac number, because 252580709 - 212 = 252576613 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252580799) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126290354 + 126290355.
It is an arithmetic number, because the mean of its divisors is an integer number (126290355).
Almost surely, 2252580709 is an apocalyptic number.
It is an amenable number.
252580709 is a deficient number, since it is larger than the sum of its proper divisors (1).
252580709 is an equidigital number, since it uses as much as digits as its factorization.
252580709 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 50400, while the sum is 38.
The square root of 252580709 is about 15892.7879555476. The cubic root of 252580709 is about 632.1207683607.
The spelling of 252580709 in words is "two hundred fifty-two million, five hundred eighty thousand, seven hundred nine".
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