Base | Representation |
---|---|
bin | 11010010010110… |
… | …01101100000011 |
3 | 120101001000212011 |
4 | 31021121230003 |
5 | 422431141243 |
6 | 33515313351 |
7 | 5315541223 |
oct | 1511315403 |
9 | 511030764 |
10 | 220568323 |
11 | 103561278 |
12 | 61a4b857 |
13 | 36909301 |
14 | 21418083 |
15 | 1456d89d |
hex | d259b03 |
220568323 has 4 divisors (see below), whose sum is σ = 220607640. Its totient is φ = 220529008.
The previous prime is 220568311. The next prime is 220568329. The reversal of 220568323 is 323865022.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 220568323 - 25 = 220568291 is a prime.
It is a super-2 number, since 2×2205683232 = 97300770222064658, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (220568329) 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 3 ways as a sum of consecutive naturals, for example, 9490 + ... + 23047.
It is an arithmetic number, because the mean of its divisors is an integer number (55151910).
Almost surely, 2220568323 is an apocalyptic number.
220568323 is a deficient number, since it is larger than the sum of its proper divisors (39317).
220568323 is an equidigital number, since it uses as much as digits as its factorization.
220568323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39316.
The product of its (nonzero) digits is 17280, while the sum is 31.
The square root of 220568323 is about 14851.5427818123. The cubic root of 220568323 is about 604.2004537289.
The spelling of 220568323 in words is "two hundred twenty million, five hundred sixty-eight thousand, three hundred twenty-three".
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