Base | Representation |
---|---|
bin | 11110010011101… |
… | …10010111011111 |
3 | 122201101202000120 |
4 | 33021312113133 |
5 | 1010041141343 |
6 | 41121130023 |
7 | 6205002066 |
oct | 1711662737 |
9 | 581352016 |
10 | 254240223 |
11 | 12056a496 |
12 | 71189913 |
13 | 40898703 |
14 | 25aa11dd |
15 | 174c0683 |
hex | f2765df |
254240223 has 8 divisors (see below), whose sum is σ = 339504000. Its totient is φ = 169234968.
The previous prime is 254240213. The next prime is 254240243. The reversal of 254240223 is 322042452.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 254240223 - 225 = 220685791 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 254240193 and 254240202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (254240213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62323 + ... + 66276.
It is an arithmetic number, because the mean of its divisors is an integer number (42438000).
Almost surely, 2254240223 is an apocalyptic number.
254240223 is a deficient number, since it is larger than the sum of its proper divisors (85263777).
254240223 is a wasteful number, since it uses less digits than its factorization.
254240223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129261.
The product of its (nonzero) digits is 3840, while the sum is 24.
The square root of 254240223 is about 15944.9121352236. The cubic root of 254240223 is about 633.5021409364.
Adding to 254240223 its reverse (322042452), we get a palindrome (576282675).
The spelling of 254240223 in words is "two hundred fifty-four million, two hundred forty thousand, two hundred twenty-three".
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