Base | Representation |
---|---|
bin | 1011011000000… |
… | …0110111110100 |
3 | 10022210010000001 |
4 | 2312000313310 |
5 | 44203320110 |
6 | 4422401044 |
7 | 1116363142 |
oct | 266006764 |
9 | 108703001 |
10 | 47713780 |
11 | 24a2a084 |
12 | 13b90184 |
13 | 9b6790a |
14 | 64a0592 |
15 | 42c763a |
hex | 2d80df4 |
47713780 has 24 divisors (see below), whose sum is σ = 102091752. Its totient is φ = 18724992.
The previous prime is 47713777. The next prime is 47713843. The reversal of 47713780 is 8731774.
47713780 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 4 ways, for example, as 763876 + 46949904 = 874^2 + 6852^2 .
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 21447 + ... + 23566.
It is an arithmetic number, because the mean of its divisors is an integer number (4253823).
Almost surely, 247713780 is an apocalyptic number.
It is an amenable number.
47713780 is an abundant number, since it is smaller than the sum of its proper divisors (54377972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47713780 is a wasteful number, since it uses less digits than its factorization.
47713780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45075 (or 45073 counting only the distinct ones).
The product of its (nonzero) digits is 32928, while the sum is 37.
The square root of 47713780 is about 6907.5161961446. The cubic root of 47713780 is about 362.7003220972.
The spelling of 47713780 in words is "forty-seven million, seven hundred thirteen thousand, seven hundred eighty".
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