Base | Representation |
---|---|
bin | 1010001110011… |
… | …1101100001111 |
3 | 2222201010211100 |
4 | 2203213230033 |
5 | 41440021142 |
6 | 4131154143 |
7 | 1030401462 |
oct | 243475417 |
9 | 88633740 |
10 | 42892047 |
11 | 22236480 |
12 | 12445953 |
13 | 8b6a013 |
14 | 59a72d9 |
15 | 3b73b4c |
hex | 28e7b0f |
42892047 has 12 divisors (see below), whose sum is σ = 67587624. Its totient is φ = 25995120.
The previous prime is 42892039. The next prime is 42892051. The reversal of 42892047 is 74029824.
It is not a de Polignac number, because 42892047 - 23 = 42892039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42892147) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216528 + ... + 216725.
It is an arithmetic number, because the mean of its divisors is an integer number (5632302).
Almost surely, 242892047 is an apocalyptic number.
42892047 is a deficient number, since it is larger than the sum of its proper divisors (24695577).
42892047 is a wasteful number, since it uses less digits than its factorization.
42892047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 433270 (or 433267 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 42892047 is about 6549.2020124592. The cubic root of 42892047 is about 350.0463802482.
It can be divided in two parts, 4289 and 2047, that added together give a palindrome (6336).
The spelling of 42892047 in words is "forty-two million, eight hundred ninety-two thousand, forty-seven".
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