Base | Representation |
---|---|
bin | 11110011010000… |
… | …01010000000000 |
3 | 122202221221221200 |
4 | 33031001100000 |
5 | 1010244234412 |
6 | 41151021200 |
7 | 6215032623 |
oct | 1715012000 |
9 | 582857850 |
10 | 255071232 |
11 | 120a87879 |
12 | 7150a800 |
13 | 40ac9a30 |
14 | 25c39dba |
15 | 175d69dc |
hex | f341400 |
255071232 has 132 divisors (see below), whose sum is σ = 793540020. Its totient is φ = 78446592.
The previous prime is 255071189. The next prime is 255071233. The reversal of 255071232 is 232170552.
It can be written as a sum of positive squares in 2 ways, for example, as 50466816 + 204604416 = 7104^2 + 14304^2 .
It is a super-2 number, since 2×2550712322 = 130122666787995648, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 255071196 and 255071205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255071233) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118744 + ... + 120872.
Almost surely, 2255071232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 255071232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396770010).
255071232 is an abundant number, since it is smaller than the sum of its proper divisors (538468788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255071232 is a wasteful number, since it uses less digits than its factorization.
255071232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2168 (or 2147 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 255071232 is about 15970.9496273703. The cubic root of 255071232 is about 634.1916114874.
The spelling of 255071232 in words is "two hundred fifty-five million, seventy-one thousand, two hundred thirty-two".
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