Base | Representation |
---|---|
bin | 11010101000100… |
… | …01111110001111 |
3 | 120120101221001001 |
4 | 31110101332033 |
5 | 424143422203 |
6 | 34100401131 |
7 | 5352020101 |
oct | 1524217617 |
9 | 516357031 |
10 | 223420303 |
11 | 105129a87 |
12 | 629a61a7 |
13 | 37397482 |
14 | 2195b571 |
15 | 1493391d |
hex | d511f8f |
223420303 has 8 divisors (see below), whose sum is σ = 228894336. Its totient is φ = 217959000.
The previous prime is 223420291. The next prime is 223420333. The reversal of 223420303 is 303024322.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 223420303 - 25 = 223420271 is a prime.
It is a super-2 number, since 2×2234203032 = 99833263585223618, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223420333) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39078 + ... + 44428.
It is an arithmetic number, because the mean of its divisors is an integer number (28611792).
Almost surely, 2223420303 is an apocalyptic number.
223420303 is a deficient number, since it is larger than the sum of its proper divisors (5474033).
223420303 is an equidigital number, since it uses as much as digits as its factorization.
223420303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6365.
The product of its (nonzero) digits is 864, while the sum is 19.
The square root of 223420303 is about 14947.2506836542. The cubic root of 223420303 is about 606.7934425244.
Adding to 223420303 its reverse (303024322), we get a palindrome (526444625).
The spelling of 223420303 in words is "two hundred twenty-three million, four hundred twenty thousand, three hundred three".
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