Base | Representation |
---|---|
bin | 1011010100111… |
… | …1110111011111 |
3 | 10022101220122210 |
4 | 2311033313133 |
5 | 44130404210 |
6 | 4414211503 |
7 | 1114566012 |
oct | 265176737 |
9 | 108356583 |
10 | 47513055 |
11 | 24902297 |
12 | 13ab3b93 |
13 | 9ac7445 |
14 | 644b379 |
15 | 4287e20 |
hex | 2d4fddf |
47513055 has 32 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 23640320.
The previous prime is 47513023. The next prime is 47513057. The reversal of 47513055 is 55031574.
It is not a de Polignac number, because 47513055 - 25 = 47513023 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47513057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12466 + ... + 15824.
It is an arithmetic number, because the mean of its divisors is an integer number (2540160).
Almost surely, 247513055 is an apocalyptic number.
47513055 is a deficient number, since it is larger than the sum of its proper divisors (33772065).
47513055 is a wasteful number, since it uses less digits than its factorization.
47513055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3431.
The product of its (nonzero) digits is 10500, while the sum is 30.
The square root of 47513055 is about 6892.9714202222. The cubic root of 47513055 is about 362.1909978723.
It can be divided in two parts, 475 and 13055, that added together give a triangular number (13530 = T164).
The spelling of 47513055 in words is "forty-seven million, five hundred thirteen thousand, fifty-five".
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