Base | Representation |
---|---|
bin | 100110100100… |
… | …1100000000111 |
3 | 1102001111010022 |
4 | 1031021200013 |
5 | 20134132012 |
6 | 2001245355 |
7 | 333621056 |
oct | 115114007 |
9 | 42044108 |
10 | 20224007 |
11 | 10463661 |
12 | 693385b |
13 | 426138b |
14 | 298639d |
15 | 1b97472 |
hex | 1349807 |
20224007 has 2 divisors, whose sum is σ = 20224008. Its totient is φ = 20224006.
The previous prime is 20223989. The next prime is 20224013. The reversal of 20224007 is 70042202.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20224007 - 26 = 20223943 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20224207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112003 + 10112004.
It is an arithmetic number, because the mean of its divisors is an integer number (10112004).
Almost surely, 220224007 is an apocalyptic number.
20224007 is a deficient number, since it is larger than the sum of its proper divisors (1).
20224007 is an equidigital number, since it uses as much as digits as its factorization.
20224007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 224, while the sum is 17.
The square root of 20224007 is about 4497.1109614952. The cubic root of 20224007 is about 272.4514157415.
Adding to 20224007 its reverse (70042202), we get a palindrome (90266209).
The spelling of 20224007 in words is "twenty million, two hundred twenty-four thousand, seven".
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