Base | Representation |
---|---|
bin | 11110010100110… |
… | …10111100100111 |
3 | 122201200100112220 |
4 | 33022122330213 |
5 | 1010110440210 |
6 | 41124243423 |
7 | 6206164653 |
oct | 1712327447 |
9 | 581610486 |
10 | 254390055 |
11 | 120662017 |
12 | 71240573 |
13 | 4091b97a |
14 | 25adda63 |
15 | 174eec70 |
hex | f29af27 |
254390055 has 8 divisors (see below), whose sum is σ = 407024112. Its totient is φ = 135674688.
The previous prime is 254390041. The next prime is 254390077. The reversal of 254390055 is 550093452.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 254390055 - 211 = 254388007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 254389998 and 254390025.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 8479654 + ... + 8479683.
It is an arithmetic number, because the mean of its divisors is an integer number (50878014).
Almost surely, 2254390055 is an apocalyptic number.
254390055 is a deficient number, since it is larger than the sum of its proper divisors (152634057).
254390055 is a wasteful number, since it uses less digits than its factorization.
254390055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16959345.
The product of its (nonzero) digits is 27000, while the sum is 33.
The square root of 254390055 is about 15949.6098698369. The cubic root of 254390055 is about 633.6265642758.
The spelling of 254390055 in words is "two hundred fifty-four million, three hundred ninety thousand, fifty-five".
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