Base | Representation |
---|---|
bin | 1011100001001… |
… | …0011111001010 |
3 | 10100220102011100 |
4 | 2320102133022 |
5 | 44331411333 |
6 | 4443242230 |
7 | 1124426055 |
oct | 270223712 |
9 | 110812140 |
10 | 48310218 |
11 | 252a7200 |
12 | 14219376 |
13 | a016238 |
14 | 65b7a9c |
15 | 4394213 |
hex | 2e127ca |
48310218 has 72 divisors (see below), whose sum is σ = 118076868. Its totient is φ = 14256000.
The previous prime is 48310211. The next prime is 48310237. The reversal of 48310218 is 81201384.
48310218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 43125489 + 5184729 = 6567^2 + 2277^2 .
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 48310191 and 48310200.
It is not an unprimeable number, because it can be changed into a prime (48310211) by changing a digit.
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 35 ways as a sum of consecutive naturals, for example, 89028 + ... + 89568.
Almost surely, 248310218 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 48310218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59038434).
48310218 is an abundant number, since it is smaller than the sum of its proper divisors (69766650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48310218 is a wasteful number, since it uses less digits than its factorization.
48310218 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 612 (or 598 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 48310218 is about 6950.5552296201. Note that the first 3 decimals coincide. The cubic root of 48310218 is about 364.2053595050.
It can be divided in two parts, 483 and 10218, that added together give a palindrome (10701).
The spelling of 48310218 in words is "forty-eight million, three hundred ten thousand, two hundred eighteen".
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