Base | Representation |
---|---|
bin | 100110010010… |
… | …0000110110011 |
3 | 1101202201000021 |
4 | 1030210012303 |
5 | 20114231320 |
6 | 1554104311 |
7 | 332412361 |
oct | 114440663 |
9 | 41681007 |
10 | 20070835 |
11 | 10369574 |
12 | 687b097 |
13 | 4209745 |
14 | 2946631 |
15 | 1b66daa |
hex | 13241b3 |
20070835 has 32 divisors (see below), whose sum is σ = 26593920. Its totient is φ = 14496768.
The previous prime is 20070823. The next prime is 20070877. The reversal of 20070835 is 53807002.
It is a cyclic number.
It is not a de Polignac number, because 20070835 - 25 = 20070803 is a prime.
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 31 ways as a sum of consecutive naturals, for example, 225471 + ... + 225559.
It is an arithmetic number, because the mean of its divisors is an integer number (831060).
Almost surely, 220070835 is an apocalyptic number.
20070835 is a deficient number, since it is larger than the sum of its proper divisors (6523085).
20070835 is a wasteful number, since it uses less digits than its factorization.
20070835 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 207.
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 20070835 is about 4480.0485488441. The cubic root of 20070835 is about 271.7618436927.
Adding to 20070835 its reverse (53807002), we get a palindrome (73877837).
The spelling of 20070835 in words is "twenty million, seventy thousand, eight hundred thirty-five".
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