Base | Representation |
---|---|
bin | 100110011000… |
… | …1000111000001 |
3 | 1101212102001221 |
4 | 1030301013001 |
5 | 20122432342 |
6 | 1555155041 |
7 | 333023560 |
oct | 114610701 |
9 | 41772057 |
10 | 20124097 |
11 | 103a5594 |
12 | 68a5a81 |
13 | 4227a66 |
14 | 295bbd7 |
15 | 1b77a67 |
hex | 13311c1 |
20124097 has 16 divisors (see below), whose sum is σ = 24514560. Its totient is φ = 16135632.
The previous prime is 20124079. The next prime is 20124101. The reversal of 20124097 is 79042102.
It is a cyclic number.
It is not a de Polignac number, because 20124097 - 211 = 20122049 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20124007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10128 + ... + 11950.
It is an arithmetic number, because the mean of its divisors is an integer number (1532160).
Almost surely, 220124097 is an apocalyptic number.
It is an amenable number.
20124097 is a deficient number, since it is larger than the sum of its proper divisors (4390463).
20124097 is a wasteful number, since it uses less digits than its factorization.
20124097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1932.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 20124097 is about 4485.9889656574. The cubic root of 20124097 is about 272.0020229449.
Adding to 20124097 its reverse (79042102), we get a palindrome (99166199).
The spelling of 20124097 in words is "twenty million, one hundred twenty-four thousand, ninety-seven".
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