Base | Representation |
---|---|
bin | 1011010001001… |
… | …0111100101010 |
3 | 10021221020101010 |
4 | 2310102330222 |
5 | 44044413110 |
6 | 4405004350 |
7 | 1112506356 |
oct | 264227452 |
9 | 107836333 |
10 | 47263530 |
11 | 24751876 |
12 | 139b36b6 |
13 | 9a3a9b2 |
14 | 63c4466 |
15 | 4239020 |
hex | 2d12f2a |
47263530 has 32 divisors (see below), whose sum is σ = 117093888. Its totient is φ = 12196800.
The previous prime is 47263457. The next prime is 47263549. The reversal of 47263530 is 3536274.
47263530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 24481 + ... + 26340.
It is an arithmetic number, because the mean of its divisors is an integer number (3659184).
Almost surely, 247263530 is an apocalyptic number.
47263530 is an abundant number, since it is smaller than the sum of its proper divisors (69830358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47263530 is a wasteful number, since it uses less digits than its factorization.
47263530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50862.
The product of its (nonzero) digits is 15120, while the sum is 30.
The square root of 47263530 is about 6874.8476346753. The cubic root of 47263530 is about 361.5558434493. Note that the first 3 decimals are identical.
It can be divided in two parts, 4726 and 3530, that added together give a triangular number (8256 = T128).
The spelling of 47263530 in words is "forty-seven million, two hundred sixty-three thousand, five hundred thirty".
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