Base | Representation |
---|---|
bin | 11110011010100… |
… | …10100010011011 |
3 | 122210002120002022 |
4 | 33031102202123 |
5 | 1010304021133 |
6 | 41152325055 |
7 | 6215446232 |
oct | 1715224233 |
9 | 583076068 |
10 | 255142043 |
11 | 121025aa2 |
12 | 7154378b |
13 | 40b23030 |
14 | 25c57b19 |
15 | 175ec998 |
hex | f35289b |
255142043 has 4 divisors (see below), whose sum is σ = 274768368. Its totient is φ = 235515720.
The previous prime is 255142033. The next prime is 255142049. The reversal of 255142043 is 340241552.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 255142043 - 224 = 238364827 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (255142049) 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, 9813143 + ... + 9813168.
It is an arithmetic number, because the mean of its divisors is an integer number (68692092).
Almost surely, 2255142043 is an apocalyptic number.
255142043 is a deficient number, since it is larger than the sum of its proper divisors (19626325).
255142043 is a wasteful number, since it uses less digits than its factorization.
255142043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19626324.
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 255142043 is about 15973.1663423380. The cubic root of 255142043 is about 634.2502925950.
Adding to 255142043 its reverse (340241552), we get a palindrome (595383595).
The spelling of 255142043 in words is "two hundred fifty-five million, one hundred forty-two thousand, forty-three".
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