Base | Representation |
---|---|
bin | 11110011001111… |
… | …11011010000000 |
3 | 122202221120120222 |
4 | 33030333122000 |
5 | 1010244014210 |
6 | 41150522212 |
7 | 6215001614 |
oct | 1714773200 |
9 | 582846528 |
10 | 255063680 |
11 | 120a82133 |
12 | 71506368 |
13 | 40ac6471 |
14 | 25c37344 |
15 | 175d4655 |
hex | f33f680 |
255063680 has 64 divisors (see below), whose sum is σ = 612030600. Its totient is φ = 101646336.
The previous prime is 255063643. The next prime is 255063703. The reversal of 255063680 is 86360552.
It can be written as a sum of positive squares in 4 ways, for example, as 135117376 + 119946304 = 11624^2 + 10952^2 .
It is a tau number, because it is divible by the number of its divisors (64).
It is a self number, because there is not a number n which added to its sum of digits gives 255063680.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225356 + ... + 226484.
Almost surely, 2255063680 is an apocalyptic number.
255063680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 255063680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306015300).
255063680 is an abundant number, since it is smaller than the sum of its proper divisors (356966920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255063680 is a wasteful number, since it uses less digits than its factorization.
255063680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1501 (or 1489 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 35.
The square root of 255063680 is about 15970.7131963479. The cubic root of 255063680 is about 634.1853525008.
The spelling of 255063680 in words is "two hundred fifty-five million, sixty-three thousand, six hundred eighty".
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