Base | Representation |
---|---|
bin | 11110011010100… |
… | …10100110111101 |
3 | 122210002120111001 |
4 | 33031102212331 |
5 | 1010304023313 |
6 | 41152330301 |
7 | 6215450125 |
oct | 1715224675 |
9 | 583076431 |
10 | 255142333 |
11 | 121026236 |
12 | 71543991 |
13 | 40b231c4 |
14 | 25c57c85 |
15 | 175ecadd |
hex | f3529bd |
255142333 has 4 divisors (see below), whose sum is σ = 256464508. Its totient is φ = 253820160.
The previous prime is 255142331. The next prime is 255142337. The reversal of 255142333 is 333241552.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 30052324 + 225090009 = 5482^2 + 15003^2 .
It is a cyclic number.
It is not a de Polignac number, because 255142333 - 21 = 255142331 is a prime.
It is a super-2 number, since 2×2551423332 = 130195220177365778, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255142331) 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, 660798 + ... + 661183.
It is an arithmetic number, because the mean of its divisors is an integer number (64116127).
Almost surely, 2255142333 is an apocalyptic number.
It is an amenable number.
255142333 is a deficient number, since it is larger than the sum of its proper divisors (1322175).
255142333 is a wasteful number, since it uses less digits than its factorization.
255142333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1322174.
The product of its digits is 10800, while the sum is 28.
The square root of 255142333 is about 15973.1754200597. The cubic root of 255142333 is about 634.2505328958.
Adding to 255142333 its reverse (333241552), we get a palindrome (588383885).
The spelling of 255142333 in words is "two hundred fifty-five million, one hundred forty-two thousand, three hundred thirty-three".
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