Base | Representation |
---|---|
bin | 100110001100… |
… | …1011010011001 |
3 | 1101200110220222 |
4 | 1030121122121 |
5 | 20111331113 |
6 | 1553125425 |
7 | 332140565 |
oct | 114313231 |
9 | 41613828 |
10 | 20027033 |
11 | 10339674 |
12 | 6859875 |
13 | 41c2820 |
14 | 29346a5 |
15 | 1b58e08 |
hex | 1319699 |
20027033 has 4 divisors (see below), whose sum is σ = 21567588. Its totient is φ = 18486480.
The previous prime is 20026991. The next prime is 20027069. The reversal of 20027033 is 33072002.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3810304 + 16216729 = 1952^2 + 4027^2 .
It is a cyclic number.
It is not a de Polignac number, because 20027033 - 210 = 20026009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20027633) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770258 + ... + 770283.
It is an arithmetic number, because the mean of its divisors is an integer number (5391897).
Almost surely, 220027033 is an apocalyptic number.
It is an amenable number.
20027033 is a deficient number, since it is larger than the sum of its proper divisors (1540555).
20027033 is a wasteful number, since it uses less digits than its factorization.
20027033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1540554.
The product of its (nonzero) digits is 252, while the sum is 17.
The square root of 20027033 is about 4475.1573156706. The cubic root of 20027033 is about 271.5640046851.
Adding to 20027033 its reverse (33072002), we get a palindrome (53099035).
The spelling of 20027033 in words is "twenty million, twenty-seven thousand, thirty-three".
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