Base | Representation |
---|---|
bin | 11110011011011… |
… | …01000001010000 |
3 | 122210022001212200 |
4 | 33031231001100 |
5 | 1010321004022 |
6 | 41154523200 |
7 | 6216410406 |
oct | 1715550120 |
9 | 583261780 |
10 | 255250512 |
11 | 12109a540 |
12 | 71596500 |
13 | 40b6050a |
14 | 25c85476 |
15 | 1761ebac |
hex | f36d050 |
255250512 has 120 divisors (see below), whose sum is σ = 825215040. Its totient is φ = 72791040.
The previous prime is 255250507. The next prime is 255250577. The reversal of 255250512 is 215052552.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22189 + ... + 31667.
It is an arithmetic number, because the mean of its divisors is an integer number (6876792).
Almost surely, 2255250512 is an apocalyptic number.
255250512 is a gapful number since it is divisible by the number (22) 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 255250512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412607520).
255250512 is an abundant number, since it is smaller than the sum of its proper divisors (569964528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255250512 is a wasteful number, since it uses less digits than its factorization.
255250512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9521 (or 9512 counting only the distinct ones).
The product of its (nonzero) digits is 5000, while the sum is 27.
The square root of 255250512 is about 15976.5613321515. The cubic root of 255250512 is about 634.3401598539.
The spelling of 255250512 in words is "two hundred fifty-five million, two hundred fifty thousand, five hundred twelve".
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