Base | Representation |
---|---|
bin | 1011011001110… |
… | …0000101011000 |
3 | 10022222202220012 |
4 | 2312130011120 |
5 | 44220401430 |
6 | 4425021052 |
7 | 1120336121 |
oct | 266340530 |
9 | 108882805 |
10 | 47825240 |
11 | 24aa58a1 |
12 | 14024788 |
13 | 9ba6578 |
14 | 64cd048 |
15 | 42ea695 |
hex | 2d9c158 |
47825240 has 32 divisors (see below), whose sum is σ = 107866080. Its totient is φ = 19084032.
The previous prime is 47825237. The next prime is 47825243. The reversal of 47825240 is 4252874.
It is an interprime number because it is at equal distance from previous prime (47825237) and next prime (47825243).
It is a junction number, because it is equal to n+sod(n) for n = 47825197 and 47825206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47825243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18932 + ... + 21308.
It is an arithmetic number, because the mean of its divisors is an integer number (3370815).
Almost surely, 247825240 is an apocalyptic number.
47825240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47825240 is an abundant number, since it is smaller than the sum of its proper divisors (60040840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47825240 is a wasteful number, since it uses less digits than its factorization.
47825240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2891 (or 2887 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 32.
The square root of 47825240 is about 6915.5795129548. The cubic root of 47825240 is about 362.9825266629.
The spelling of 47825240 in words is "forty-seven million, eight hundred twenty-five thousand, two hundred forty".
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