Base | Representation |
---|---|
bin | 100110100010… |
… | …0101000111010 |
3 | 1102000110210122 |
4 | 1031010220322 |
5 | 20133012330 |
6 | 2001013242 |
7 | 333506024 |
oct | 115045072 |
9 | 42013718 |
10 | 20204090 |
11 | 1044a6a5 |
12 | 6924222 |
13 | 42552aa |
14 | 297d014 |
15 | 1b915e5 |
hex | 1344a3a |
20204090 has 8 divisors (see below), whose sum is σ = 36367380. Its totient is φ = 8081632.
The previous prime is 20204089. The next prime is 20204101. The reversal of 20204090 is 9040202.
It can be written as a sum of positive squares in 2 ways, for example, as 17032129 + 3171961 = 4127^2 + 1781^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010195 + ... + 1010214.
Almost surely, 220204090 is an apocalyptic number.
20204090 is a deficient number, since it is larger than the sum of its proper divisors (16163290).
20204090 is a wasteful number, since it uses less digits than its factorization.
20204090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2020416.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 20204090 is about 4494.8959943474. The cubic root of 20204090 is about 272.3619478603.
Adding to 20204090 its reverse (9040202), we get a palindrome (29244292).
The spelling of 20204090 in words is "twenty million, two hundred four thousand, ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •