Base | Representation |
---|---|
bin | 11110011100110… |
… | …00111011111011 |
3 | 122210122012122000 |
4 | 33032120323323 |
5 | 1010342233040 |
6 | 41202432043 |
7 | 6221060013 |
oct | 1716307373 |
9 | 583565560 |
10 | 255430395 |
11 | 121202700 |
12 | 71662623 |
13 | 40bc435c |
14 | 25cd0c43 |
15 | 17658130 |
hex | f398efb |
255430395 has 96 divisors (see below), whose sum is σ = 526041600. Its totient is φ = 117184320.
The previous prime is 255430393. The next prime is 255430459. The reversal of 255430395 is 593034552.
255430395 is a `hidden beast` number, since 25 + 543 + 0 + 3 + 95 = 666.
It is not a de Polignac number, because 255430395 - 21 = 255430393 is a prime.
It is not an unprimeable number, because it can be changed into a prime (255430393) 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 95 ways as a sum of consecutive naturals, for example, 309954 + ... + 310776.
It is an arithmetic number, because the mean of its divisors is an integer number (5479600).
Almost surely, 2255430395 is an apocalyptic number.
255430395 is an abundant number, since it is smaller than the sum of its proper divisors (270611205).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255430395 is a wasteful number, since it uses less digits than its factorization.
255430395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 878 (or 861 counting only the distinct ones).
The product of its (nonzero) digits is 81000, while the sum is 36.
The square root of 255430395 is about 15982.1899312954. The cubic root of 255430395 is about 634.4891379638.
The spelling of 255430395 in words is "two hundred fifty-five million, four hundred thirty thousand, three hundred ninety-five".
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