Base | Representation |
---|---|
bin | 1011010101001… |
… | …0110010110000 |
3 | 10022102112002200 |
4 | 2311102302300 |
5 | 44131300130 |
6 | 4414343200 |
7 | 1114645653 |
oct | 265226260 |
9 | 108375080 |
10 | 47525040 |
11 | 249102a2 |
12 | 13abab00 |
13 | 9acca34 |
14 | 645189a |
15 | 428b760 |
hex | 2d52cb0 |
47525040 has 120 divisors (see below), whose sum is σ = 161038800. Its totient is φ = 12559872.
The previous prime is 47525029. The next prime is 47525041. The reversal of 47525040 is 4052574.
It is a tau number, because it is divible by the number of its divisors (120).
It is a junction number, because it is equal to n+sod(n) for n = 47524995 and 47525013.
It is not an unprimeable number, because it can be changed into a prime (47525041) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107059 + ... + 107501.
It is an arithmetic number, because the mean of its divisors is an integer number (1341990).
Almost surely, 247525040 is an apocalyptic number.
47525040 is a gapful number since it is divisible by the number (40) 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 47525040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80519400).
47525040 is an abundant number, since it is smaller than the sum of its proper divisors (113513760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47525040 is a wasteful number, since it uses less digits than its factorization.
47525040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611 (or 602 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 27.
The square root of 47525040 is about 6893.8407292307. The cubic root of 47525040 is about 362.2214491113.
The spelling of 47525040 in words is "forty-seven million, five hundred twenty-five thousand, forty".
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