Base | Representation |
---|---|
bin | 11010010000000… |
… | …00100101101011 |
3 | 120100100111020102 |
4 | 31020000211223 |
5 | 422333001441 |
6 | 33503420015 |
7 | 5312461223 |
oct | 1510004553 |
9 | 510314212 |
10 | 220203371 |
11 | 103332063 |
12 | 618b460b |
13 | 3680c16b |
14 | 21361083 |
15 | 144ea69b |
hex | d20096b |
220203371 has 4 divisors (see below), whose sum is σ = 220547544. Its totient is φ = 219859200.
The previous prime is 220203359. The next prime is 220203419. The reversal of 220203371 is 173302022.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173302022 = 2 ⋅86651011.
It is a cyclic number.
It is not a de Polignac number, because 220203371 - 210 = 220202347 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (220203341) 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 3 ways as a sum of consecutive naturals, for example, 171125 + ... + 172406.
It is an arithmetic number, because the mean of its divisors is an integer number (55136886).
Almost surely, 2220203371 is an apocalyptic number.
220203371 is a deficient number, since it is larger than the sum of its proper divisors (344173).
220203371 is an equidigital number, since it uses as much as digits as its factorization.
220203371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 344172.
The product of its (nonzero) digits is 504, while the sum is 20.
The square root of 220203371 is about 14839.2510255740. The cubic root of 220203371 is about 603.8670333958.
Adding to 220203371 its reverse (173302022), we get a palindrome (393505393).
The spelling of 220203371 in words is "two hundred twenty million, two hundred three thousand, three hundred seventy-one".
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