Base | Representation |
---|---|
bin | 11110000100011… |
… | …11010110101111 |
3 | 122120122101200002 |
4 | 33002033112233 |
5 | 1004033323143 |
6 | 41010254515 |
7 | 6152023253 |
oct | 1702172657 |
9 | 576571602 |
10 | 252245423 |
11 | 11a4277a1 |
12 | 7058743b |
13 | 4034a761 |
14 | 25702263 |
15 | 172295b8 |
hex | f08f5af |
252245423 has 4 divisors (see below), whose sum is σ = 252317808. Its totient is φ = 252173040.
The previous prime is 252245417. The next prime is 252245429. The reversal of 252245423 is 324542252.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (252245417) and next prime (252245429).
It is a cyclic number.
It is not a de Polignac number, because 252245423 - 214 = 252229039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252245429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30686 + ... + 38027.
It is an arithmetic number, because the mean of its divisors is an integer number (63079452).
Almost surely, 2252245423 is an apocalyptic number.
252245423 is a deficient number, since it is larger than the sum of its proper divisors (72385).
252245423 is an equidigital number, since it uses as much as digits as its factorization.
252245423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72384.
The product of its digits is 19200, while the sum is 29.
The square root of 252245423 is about 15882.2360831213. The cubic root of 252245423 is about 631.8409434896.
Adding to 252245423 its reverse (324542252), we get a palindrome (576787675).
The spelling of 252245423 in words is "two hundred fifty-two million, two hundred forty-five thousand, four hundred twenty-three".
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