Base | Representation |
---|---|
bin | 100110100100… |
… | …1001011110011 |
3 | 1102001102100011 |
4 | 1031021023303 |
5 | 20134111312 |
6 | 2001235351 |
7 | 333614221 |
oct | 115111363 |
9 | 42042304 |
10 | 20222707 |
11 | 1046268a |
12 | 6932b57 |
13 | 42608cb |
14 | 2985b11 |
15 | 1b96da7 |
hex | 13492f3 |
20222707 has 16 divisors (see below), whose sum is σ = 22753440. Its totient is φ = 17860608.
The previous prime is 20222689. The next prime is 20222723. The reversal of 20222707 is 70722202.
It is not a de Polignac number, because 20222707 - 211 = 20220659 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20222747) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44023 + ... + 44479.
It is an arithmetic number, because the mean of its divisors is an integer number (1422090).
Almost surely, 220222707 is an apocalyptic number.
20222707 is a deficient number, since it is larger than the sum of its proper divisors (2530733).
20222707 is a wasteful number, since it uses less digits than its factorization.
20222707 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 630.
The product of its (nonzero) digits is 784, while the sum is 22.
The square root of 20222707 is about 4496.9664219338. The cubic root of 20222707 is about 272.4455778870.
Adding to 20222707 its reverse (70722202), we get a palindrome (90944909).
The spelling of 20222707 in words is "twenty million, two hundred twenty-two thousand, seven hundred seven".
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