Base | Representation |
---|---|
bin | 11110000111000… |
… | …00101001101101 |
3 | 122121021022110001 |
4 | 33003200221231 |
5 | 1004130002123 |
6 | 41021344301 |
7 | 6154611133 |
oct | 1703405155 |
9 | 577238401 |
10 | 252578413 |
11 | 11a63499a |
12 | 70708091 |
13 | 404361a9 |
14 | 2578b753 |
15 | 172930ad |
hex | f0e0a6d |
252578413 has 2 divisors, whose sum is σ = 252578414. Its totient is φ = 252578412.
The previous prime is 252578407. The next prime is 252578449. The reversal of 252578413 is 314875252.
252578413 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., 213802884 + 38775529 = 14622^2 + 6227^2 .
It is a cyclic number.
It is not a de Polignac number, because 252578413 - 29 = 252577901 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252578113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126289206 + 126289207.
It is an arithmetic number, because the mean of its divisors is an integer number (126289207).
Almost surely, 2252578413 is an apocalyptic number.
It is an amenable number.
252578413 is a deficient number, since it is larger than the sum of its proper divisors (1).
252578413 is an equidigital number, since it uses as much as digits as its factorization.
252578413 is an evil number, because the sum of its binary digits is even.
The product of its digits is 67200, while the sum is 37.
The square root of 252578413 is about 15892.7157213612. The cubic root of 252578413 is about 632.1188529944.
It can be divided in two parts, 25257 and 8413, that added together give a triangular number (33670 = T259).
The spelling of 252578413 in words is "two hundred fifty-two million, five hundred seventy-eight thousand, four hundred thirteen".
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