Base | Representation |
---|---|
bin | 100110001100… |
… | …1011010010000 |
3 | 1101200110220122 |
4 | 1030121122100 |
5 | 20111331044 |
6 | 1553125412 |
7 | 332140553 |
oct | 114313220 |
9 | 41613818 |
10 | 20027024 |
11 | 10339666 |
12 | 6859868 |
13 | 41c2814 |
14 | 293469a |
15 | 1b58dee |
hex | 1319690 |
20027024 has 20 divisors (see below), whose sum is σ = 39750060. Its totient is φ = 9768960.
The previous prime is 20026991. The next prime is 20027069. The reversal of 20027024 is 42072002.
It can be written as a sum of positive squares in 2 ways, for example, as 384400 + 19642624 = 620^2 + 4432^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20026993 and 20027011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14609 + ... + 15920.
It is an arithmetic number, because the mean of its divisors is an integer number (1987503).
Almost surely, 220027024 is an apocalyptic number.
It is an amenable number.
20027024 is a deficient number, since it is larger than the sum of its proper divisors (19723036).
20027024 is a wasteful number, since it uses less digits than its factorization.
20027024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30578 (or 30572 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 17.
The square root of 20027024 is about 4475.1563101192. The cubic root of 20027024 is about 271.5639640055.
Adding to 20027024 its reverse (42072002), we get a palindrome (62099026).
The spelling of 20027024 in words is "twenty million, twenty-seven thousand, twenty-four".
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