Base | Representation |
---|---|
bin | 11101101000010… |
… | …11010100001100 |
3 | 122022201002122201 |
4 | 32310023110030 |
5 | 1002112340420 |
6 | 40355251244 |
7 | 6105500254 |
oct | 1664132414 |
9 | 568632581 |
10 | 248558860 |
11 | 118339a50 |
12 | 6b2a9b24 |
13 | 3c659764 |
14 | 25022964 |
15 | 16c4c10a |
hex | ed0b50c |
248558860 has 48 divisors (see below), whose sum is σ = 574801920. Its totient is φ = 89531840.
The previous prime is 248558857. The next prime is 248558897. The reversal of 248558860 is 68855842.
It is a self number, because there is not a number n which added to its sum of digits gives 248558860.
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 15 ways as a sum of consecutive naturals, for example, 18261 + ... + 28819.
It is an arithmetic number, because the mean of its divisors is an integer number (11975040).
Almost surely, 2248558860 is an apocalyptic number.
248558860 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 248558860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287400960).
248558860 is an abundant number, since it is smaller than the sum of its proper divisors (326243060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248558860 is a wasteful number, since it uses less digits than its factorization.
248558860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10686 (or 10684 counting only the distinct ones).
The product of its (nonzero) digits is 614400, while the sum is 46.
The square root of 248558860 is about 15765.7495857317. The cubic root of 248558860 is about 628.7477097569.
The spelling of 248558860 in words is "two hundred forty-eight million, five hundred fifty-eight thousand, eight hundred sixty".
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