Base | Representation |
---|---|
bin | 11110011010000… |
… | …11110101001001 |
3 | 122202222111110010 |
4 | 33031003311021 |
5 | 1010300104201 |
6 | 41151142133 |
7 | 6215105502 |
oct | 1715036511 |
9 | 582874403 |
10 | 255081801 |
11 | 120a94807 |
12 | 71514949 |
13 | 40b017a0 |
14 | 25c3dba9 |
15 | 175d9bd6 |
hex | f343d49 |
255081801 has 16 divisors (see below), whose sum is σ = 366812096. Its totient is φ = 156741696.
The previous prime is 255081791. The next prime is 255081817. The reversal of 255081801 is 108180552.
It is not a de Polignac number, because 255081801 - 25 = 255081769 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (255081851) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24126 + ... + 33048.
It is an arithmetic number, because the mean of its divisors is an integer number (22925756).
Almost surely, 2255081801 is an apocalyptic number.
It is an amenable number.
255081801 is a deficient number, since it is larger than the sum of its proper divisors (111730295).
255081801 is a wasteful number, since it uses less digits than its factorization.
255081801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9672.
The product of its (nonzero) digits is 3200, while the sum is 30.
The square root of 255081801 is about 15971.2805059582. The cubic root of 255081801 is about 634.2003707119.
The spelling of 255081801 in words is "two hundred fifty-five million, eighty-one thousand, eight hundred one".
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