Base | Representation |
---|---|
bin | 1011010111010… |
… | …1100100000101 |
3 | 10022200202110112 |
4 | 2311311210011 |
5 | 44200324321 |
6 | 4421402405 |
7 | 1116111122 |
oct | 265654405 |
9 | 108622415 |
10 | 47667461 |
11 | 249a82a6 |
12 | 13b69405 |
13 | 9b4c7ca |
14 | 648b749 |
15 | 42b8a5b |
hex | 2d75905 |
47667461 has 4 divisors (see below), whose sum is σ = 48830124. Its totient is φ = 46504800.
The previous prime is 47667437. The next prime is 47667463. The reversal of 47667461 is 16476674.
It is a happy number.
47667461 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, and also an emirpimes, since its reverse is a distinct semiprime: 16476674 = 2 ⋅8238337.
It can be written as a sum of positive squares in 2 ways, for example, as 6630625 + 41036836 = 2575^2 + 6406^2 .
It is a cyclic number.
It is not a de Polignac number, because 47667461 - 214 = 47651077 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1162621 = 47667461 / (4 + 7 + 6 + 6 + 7 + 4 + 6 + 1).
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47667463) 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, 581270 + ... + 581351.
It is an arithmetic number, because the mean of its divisors is an integer number (12207531).
Almost surely, 247667461 is an apocalyptic number.
47667461 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
It is an amenable number.
47667461 is a deficient number, since it is larger than the sum of its proper divisors (1162663).
47667461 is a wasteful number, since it uses less digits than its factorization.
47667461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1162662.
The product of its digits is 169344, while the sum is 41.
The square root of 47667461 is about 6904.1625849918. The cubic root of 47667461 is about 362.5829181702.
The spelling of 47667461 in words is "forty-seven million, six hundred sixty-seven thousand, four hundred sixty-one".
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