Base | Representation |
---|---|
bin | 1011010011100… |
… | …0010001100111 |
3 | 10022020000002211 |
4 | 2310320101213 |
5 | 44114311143 |
6 | 4412144251 |
7 | 1114014205 |
oct | 264702147 |
9 | 108200084 |
10 | 47416423 |
11 | 2484672a |
12 | 13a68087 |
13 | 9a92472 |
14 | 6424075 |
15 | 426949d |
hex | 2d38467 |
47416423 has 4 divisors (see below), whose sum is σ = 47501208. Its totient is φ = 47331640.
The previous prime is 47416399. The next prime is 47416463. The reversal of 47416423 is 32461474.
47416423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 47416423 - 217 = 47285351 is a prime.
It is a super-2 number, since 2×474164232 = 4496634340229858, which contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47416463) 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 3 ways as a sum of consecutive naturals, for example, 41548 + ... + 42673.
It is an arithmetic number, because the mean of its divisors is an integer number (11875302).
Almost surely, 247416423 is an apocalyptic number.
47416423 is a deficient number, since it is larger than the sum of its proper divisors (84785).
47416423 is an equidigital number, since it uses as much as digits as its factorization.
47416423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84784.
The product of its digits is 16128, while the sum is 31.
The square root of 47416423 is about 6885.9583937169. The cubic root of 47416423 is about 361.9452900033.
Adding to 47416423 its reverse (32461474), we get a palindrome (79877897).
The spelling of 47416423 in words is "forty-seven million, four hundred sixteen thousand, four hundred twenty-three".
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