Base | Representation |
---|---|
bin | 1011010111111… |
… | …0011010111100 |
3 | 10022202121020012 |
4 | 2311332122330 |
5 | 44203004430 |
6 | 4422242352 |
7 | 1116321650 |
oct | 265763274 |
9 | 108677205 |
10 | 47703740 |
11 | 24a22587 |
12 | 13b863b8 |
13 | 9b63186 |
14 | 649aa60 |
15 | 42c4695 |
hex | 2d7e6bc |
47703740 has 48 divisors (see below), whose sum is σ = 115433472. Its totient is φ = 16220736.
The previous prime is 47703739. The next prime is 47703749. The reversal of 47703740 is 4730774.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 47703697 and 47703706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47703749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16439 + ... + 19121.
It is an arithmetic number, because the mean of its divisors is an integer number (2404864).
Almost surely, 247703740 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47703740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57716736).
47703740 is an abundant number, since it is smaller than the sum of its proper divisors (67729732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47703740 is a wasteful number, since it uses less digits than its factorization.
47703740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2826 (or 2824 counting only the distinct ones).
The product of its (nonzero) digits is 16464, while the sum is 32.
The square root of 47703740 is about 6906.7894133237. The cubic root of 47703740 is about 362.6748803437.
The spelling of 47703740 in words is "forty-seven million, seven hundred three thousand, seven hundred forty".
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