Base | Representation |
---|---|
bin | 1011010100011… |
… | …1010100011001 |
3 | 10022100010121222 |
4 | 2311013110121 |
5 | 44123244131 |
6 | 4413341425 |
7 | 1114361642 |
oct | 265072431 |
9 | 108303558 |
10 | 47478041 |
11 | 24888a56 |
12 | 13a97875 |
13 | 9ab4520 |
14 | 643c6c9 |
15 | 427c87b |
hex | 2d47519 |
47478041 has 16 divisors (see below), whose sum is σ = 52729488. Its totient is φ = 42470400.
The previous prime is 47478023. The next prime is 47478071. The reversal of 47478041 is 14087474.
47478041 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 8 ways, for example, as 17884441 + 29593600 = 4229^2 + 5440^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-47478041 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47477992 and 47478010.
It is not an unprimeable number, because it can be changed into a prime (47478071) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 149615 + ... + 149931.
It is an arithmetic number, because the mean of its divisors is an integer number (3295593).
Almost surely, 247478041 is an apocalyptic number.
47478041 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
It is an amenable number.
47478041 is a deficient number, since it is larger than the sum of its proper divisors (5251447).
47478041 is a wasteful number, since it uses less digits than its factorization.
47478041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 652.
The product of its (nonzero) digits is 25088, while the sum is 35.
The square root of 47478041 is about 6890.4311185876. The cubic root of 47478041 is about 362.1020056849.
The spelling of 47478041 in words is "forty-seven million, four hundred seventy-eight thousand, forty-one".
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