Base | Representation |
---|---|
bin | 100110100110… |
… | …0000111100111 |
3 | 1102002000211100 |
4 | 1031030013213 |
5 | 20140002402 |
6 | 2001411143 |
7 | 333664242 |
oct | 115140747 |
9 | 42060740 |
10 | 20234727 |
11 | 10470717 |
12 | 6939ab3 |
13 | 4266216 |
14 | 298a259 |
15 | 1b9a71c |
hex | 134c1e7 |
20234727 has 6 divisors (see below), whose sum is σ = 29227952. Its totient is φ = 13489812.
The previous prime is 20234719. The next prime is 20234729. The reversal of 20234727 is 72743202.
It is not a de Polignac number, because 20234727 - 23 = 20234719 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20234727.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20234729) 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 5 ways as a sum of consecutive naturals, for example, 1124143 + ... + 1124160.
Almost surely, 220234727 is an apocalyptic number.
20234727 is a deficient number, since it is larger than the sum of its proper divisors (8993225).
20234727 is a wasteful number, since it uses less digits than its factorization.
20234727 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2248309 (or 2248306 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 27.
The square root of 20234727 is about 4498.3026799005. The cubic root of 20234727 is about 272.4995460532.
Adding to 20234727 its reverse (72743202), we get a palindrome (92977929).
The spelling of 20234727 in words is "twenty million, two hundred thirty-four thousand, seven hundred twenty-seven".
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