Base | Representation |
---|---|
bin | 100111101110… |
… | …1011100111010 |
3 | 1110012021101212 |
4 | 1033131130322 |
5 | 20313030020 |
6 | 2022243122 |
7 | 342023615 |
oct | 117353472 |
9 | 43167355 |
10 | 20830010 |
11 | 10837993 |
12 | 6b864a2 |
13 | 4414166 |
14 | 2aa317c |
15 | 1c66cc5 |
hex | 13dd73a |
20830010 has 8 divisors (see below), whose sum is σ = 37494036. Its totient is φ = 8332000.
The previous prime is 20829989. The next prime is 20830013. The reversal of 20830010 is 1003802.
It can be written as a sum of positive squares in 2 ways, for example, as 20313049 + 516961 = 4507^2 + 719^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20830013) 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, 1041491 + ... + 1041510.
Almost surely, 220830010 is an apocalyptic number.
20830010 is a deficient number, since it is larger than the sum of its proper divisors (16664026).
20830010 is a wasteful number, since it uses less digits than its factorization.
20830010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2083008.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 20830010 is about 4563.9905784302. The cubic root of 20830010 is about 275.1459720900.
Adding to 20830010 its reverse (1003802), we get a palindrome (21833812).
The spelling of 20830010 in words is "twenty million, eight hundred thirty thousand, ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •