Base | Representation |
---|---|
bin | 1011001111011… |
… | …1001001000001 |
3 | 10021201110010201 |
4 | 2303313021001 |
5 | 44032242013 |
6 | 4402325201 |
7 | 1111523326 |
oct | 263671101 |
9 | 107643121 |
10 | 47149633 |
11 | 24684243 |
12 | 13959801 |
13 | 99cabbb |
14 | 6394b4d |
15 | 42153dd |
hex | 2cf7241 |
47149633 has 2 divisors, whose sum is σ = 47149634. Its totient is φ = 47149632.
The previous prime is 47149607. The next prime is 47149643. The reversal of 47149633 is 33694174.
47149633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27373824 + 19775809 = 5232^2 + 4447^2 .
It is a cyclic number.
It is not a de Polignac number, because 47149633 - 217 = 47018561 is a prime.
It is a super-3 number, since 3×471496333 (a number of 24 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 47149592 and 47149601.
It is not a weakly prime, because it can be changed into another prime (47149643) 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 as a sum of consecutive naturals, namely, 23574816 + 23574817.
It is an arithmetic number, because the mean of its divisors is an integer number (23574817).
Almost surely, 247149633 is an apocalyptic number.
It is an amenable number.
47149633 is a deficient number, since it is larger than the sum of its proper divisors (1).
47149633 is an equidigital number, since it uses as much as digits as its factorization.
47149633 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 54432, while the sum is 37.
The square root of 47149633 is about 6866.5590363733. The cubic root of 47149633 is about 361.2651806538.
The spelling of 47149633 in words is "forty-seven million, one hundred forty-nine thousand, six hundred thirty-three".
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