Base | Representation |
---|---|
bin | 1111110011100111… |
… | …0001011101010100 |
3 | 101221200221220012102 |
4 | 3330321301131110 |
5 | 32142202100340 |
6 | 1541010141232 |
7 | 210100634531 |
oct | 37471613524 |
9 | 11850856172 |
10 | 4243003220 |
11 | 1888079135 |
12 | 9a4b81818 |
13 | 5280844c1 |
14 | 2c372bd88 |
15 | 19c776215 |
hex | fce71754 |
4243003220 has 48 divisors (see below), whose sum is σ = 8975873088. Its totient is φ = 1684757760.
The previous prime is 4243003207. The next prime is 4243003241. The reversal of 4243003220 is 223003424.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 4243003192 and 4243003201.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1969664 + ... + 1971816.
It is an arithmetic number, because the mean of its divisors is an integer number (186997356).
Almost surely, 24243003220 is an apocalyptic number.
It is an amenable number.
4243003220 is an abundant number, since it is smaller than the sum of its proper divisors (4732869868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4243003220 is a wasteful number, since it uses less digits than its factorization.
4243003220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2840 (or 2838 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 20.
The square root of 4243003220 is about 65138.3390945762. The cubic root of 4243003220 is about 1618.9165162752.
Adding to 4243003220 its reverse (223003424), we get a palindrome (4466006644).
The spelling of 4243003220 in words is "four billion, two hundred forty-three million, three thousand, two hundred twenty".
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