Base | Representation |
---|---|
bin | 1011100111111… |
… | …0001110101010 |
3 | 10101201211112020 |
4 | 2321332032222 |
5 | 44440022110 |
6 | 4500525310 |
7 | 1131244512 |
oct | 271761652 |
9 | 111654466 |
10 | 48751530 |
11 | 25578823 |
12 | 143b0836 |
13 | a13c079 |
14 | 6690842 |
15 | 442ed70 |
hex | 2e7e3aa |
48751530 has 96 divisors (see below), whose sum is σ = 128692800. Its totient is φ = 11784960.
The previous prime is 48751487. The next prime is 48751543. The reversal of 48751530 is 3515784.
It is a junction number, because it is equal to n+sod(n) for n = 48751491 and 48751500.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 547726 + ... + 547814.
It is an arithmetic number, because the mean of its divisors is an integer number (1340550).
Almost surely, 248751530 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 48751530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64346400).
48751530 is an abundant number, since it is smaller than the sum of its proper divisors (79941270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48751530 is a wasteful number, since it uses less digits than its factorization.
48751530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180 (or 149 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 33.
The square root of 48751530 is about 6982.2295866005. The cubic root of 48751530 is about 365.3110003383.
The spelling of 48751530 in words is "forty-eight million, seven hundred fifty-one thousand, five hundred thirty".
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