Base | Representation |
---|---|
bin | 11110001001111… |
… | …00110010001101 |
3 | 122121222111002221 |
4 | 33010330302031 |
5 | 1004224041124 |
6 | 41033415341 |
7 | 6161042302 |
oct | 1704746215 |
9 | 577874087 |
10 | 252955789 |
11 | 11a872479 |
12 | 7086a551 |
13 | 40538ba8 |
14 | 258490a9 |
15 | 17319ce4 |
hex | f13cc8d |
252955789 has 2 divisors, whose sum is σ = 252955790. Its totient is φ = 252955788.
The previous prime is 252955783. The next prime is 252955823. The reversal of 252955789 is 987559252.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 223741764 + 29214025 = 14958^2 + 5405^2 .
It is a cyclic number.
It is not a de Polignac number, because 252955789 - 25 = 252955757 is a prime.
It is a super-3 number, since 3×2529557893 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252955783) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126477894 + 126477895.
It is an arithmetic number, because the mean of its divisors is an integer number (126477895).
Almost surely, 2252955789 is an apocalyptic number.
It is an amenable number.
252955789 is a deficient number, since it is larger than the sum of its proper divisors (1).
252955789 is an equidigital number, since it uses as much as digits as its factorization.
252955789 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2268000, while the sum is 52.
The square root of 252955789 is about 15904.5838989896. The cubic root of 252955789 is about 632.4335114224.
The spelling of 252955789 in words is "two hundred fifty-two million, nine hundred fifty-five thousand, seven hundred eighty-nine".
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