Base | Representation |
---|---|
bin | 1011001111001… |
… | …0100111111111 |
3 | 10021200111202121 |
4 | 2303302213333 |
5 | 44031144020 |
6 | 4402103411 |
7 | 1111415362 |
oct | 263624777 |
9 | 107614677 |
10 | 47131135 |
11 | 24671357 |
12 | 1394ab67 |
13 | 99c265c |
14 | 638c0d9 |
15 | 420ebaa |
hex | 2cf29ff |
47131135 has 12 divisors (see below), whose sum is σ = 57409128. Its totient is φ = 37140096.
The previous prime is 47131121. The next prime is 47131159. The reversal of 47131135 is 53113174.
It is not a de Polignac number, because 47131135 - 211 = 47129087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139687 + ... + 140023.
It is an arithmetic number, because the mean of its divisors is an integer number (4784094).
Almost surely, 247131135 is an apocalyptic number.
47131135 is a deficient number, since it is larger than the sum of its proper divisors (10277993).
47131135 is an frugal number, since it uses more digits than its factorization.
47131135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 762 (or 425 counting only the distinct ones).
The product of its digits is 1260, while the sum is 25.
The square root of 47131135 is about 6865.2119413752. The cubic root of 47131135 is about 361.2179299684.
The spelling of 47131135 in words is "forty-seven million, one hundred thirty-one thousand, one hundred thirty-five".
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