Base | Representation |
---|---|
bin | 11110001001110… |
… | …01110111101101 |
3 | 122121221212201212 |
4 | 33010321313231 |
5 | 1004223200403 |
6 | 41033244205 |
7 | 6160662431 |
oct | 1704716755 |
9 | 577855655 |
10 | 252943853 |
11 | 11a864508 |
12 | 70863665 |
13 | 40533626 |
14 | 258449c1 |
15 | 173164d8 |
hex | f139ded |
252943853 has 2 divisors, whose sum is σ = 252943854. Its totient is φ = 252943852.
The previous prime is 252943843. The next prime is 252943879. The reversal of 252943853 is 358349252.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 132756484 + 120187369 = 11522^2 + 10963^2 .
It is a cyclic number.
It is not a de Polignac number, because 252943853 - 210 = 252942829 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 252943853.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252943843) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126471926 + 126471927.
It is an arithmetic number, because the mean of its divisors is an integer number (126471927).
Almost surely, 2252943853 is an apocalyptic number.
It is an amenable number.
252943853 is a deficient number, since it is larger than the sum of its proper divisors (1).
252943853 is an equidigital number, since it uses as much as digits as its factorization.
252943853 is an evil number, because the sum of its binary digits is even.
The product of its digits is 259200, while the sum is 41.
The square root of 252943853 is about 15904.2086568304. The cubic root of 252943853 is about 632.4235639066.
The spelling of 252943853 in words is "two hundred fifty-two million, nine hundred forty-three thousand, eight hundred fifty-three".
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