Base | Representation |
---|---|
bin | 11110001000111… |
… | …11000111110001 |
3 | 122121202022102221 |
4 | 33010133013301 |
5 | 1004211144124 |
6 | 41031041041 |
7 | 6160025131 |
oct | 1704370761 |
9 | 577668387 |
10 | 252834289 |
11 | 11a79a164 |
12 | 70810181 |
13 | 404c57b6 |
14 | 25816ac1 |
15 | 172e3ce4 |
hex | f11f1f1 |
252834289 has 4 divisors (see below), whose sum is σ = 252866160. Its totient is φ = 252802420.
The previous prime is 252834277. The next prime is 252834299. The reversal of 252834289 is 982438252.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 252834289 - 27 = 252834161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (252834229) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6402 + ... + 23380.
It is an arithmetic number, because the mean of its divisors is an integer number (63216540).
Almost surely, 2252834289 is an apocalyptic number.
It is an amenable number.
252834289 is a deficient number, since it is larger than the sum of its proper divisors (31871).
252834289 is a wasteful number, since it uses less digits than its factorization.
252834289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31870.
The product of its digits is 276480, while the sum is 43.
The square root of 252834289 is about 15900.7637866865. The cubic root of 252834289 is about 632.3322381552.
The spelling of 252834289 in words is "two hundred fifty-two million, eight hundred thirty-four thousand, two hundred eighty-nine".
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