Base | Representation |
---|---|
bin | 100110100100… |
… | …1010101010001 |
3 | 1102001110011121 |
4 | 1031021111101 |
5 | 20134121223 |
6 | 2001242241 |
7 | 333616045 |
oct | 115112521 |
9 | 42043147 |
10 | 20223313 |
11 | 10463090 |
12 | 6933381 |
13 | 4260c76 |
14 | 2986025 |
15 | 1b9715d |
hex | 1349551 |
20223313 has 8 divisors (see below), whose sum is σ = 22101120. Its totient is φ = 18352080.
The previous prime is 20223283. The next prime is 20223341. The reversal of 20223313 is 31332202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20223313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20223913) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 6631 + ... + 9187.
It is an arithmetic number, because the mean of its divisors is an integer number (2762640).
Almost surely, 220223313 is an apocalyptic number.
It is an amenable number.
20223313 is a deficient number, since it is larger than the sum of its proper divisors (1877807).
20223313 is a wasteful number, since it uses less digits than its factorization.
20223313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3287.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 20223313 is about 4497.0338001843. The cubic root of 20223313 is about 272.4482992565.
Adding to 20223313 its reverse (31332202), we get a palindrome (51555515).
Subtracting 20223313 from its reverse (31332202), we obtain a square (11108889 = 33332).
It can be divided in two parts, 2022 and 3313, that added together give a palindrome (5335).
The spelling of 20223313 in words is "twenty million, two hundred twenty-three thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •