Base | Representation |
---|---|
bin | 1011010101010… |
… | …1001001010110 |
3 | 10022110000022122 |
4 | 2311111021112 |
5 | 44132102203 |
6 | 4414455542 |
7 | 1115016032 |
oct | 265251126 |
9 | 108400278 |
10 | 47534678 |
11 | 24917564 |
12 | 13b045b2 |
13 | 9b04239 |
14 | 64551c2 |
15 | 428e538 |
hex | 2d55256 |
47534678 has 4 divisors (see below), whose sum is σ = 71302020. Its totient is φ = 23767338.
The previous prime is 47534671. The next prime is 47534717. The reversal of 47534678 is 87643574.
47534678 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 super-2 number, since 2×475346782 = 4519091225127368, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47534671) 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 as a sum of consecutive naturals, namely, 11883668 + ... + 11883671.
It is an arithmetic number, because the mean of its divisors is an integer number (17825505).
Almost surely, 247534678 is an apocalyptic number.
47534678 is a deficient number, since it is larger than the sum of its proper divisors (23767342).
47534678 is a wasteful number, since it uses less digits than its factorization.
47534678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23767341.
The product of its digits is 564480, while the sum is 44.
The square root of 47534678 is about 6894.5397235784. The cubic root of 47534678 is about 362.2459334277.
It can be divided in two parts, 475 and 34678, that added together give a palindrome (35153).
The spelling of 47534678 in words is "forty-seven million, five hundred thirty-four thousand, six hundred seventy-eight".
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