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4243003220 = 2252114672153
BaseRepresentation
bin1111110011100111…
…0001011101010100
3101221200221220012102
43330321301131110
532142202100340
61541010141232
7210100634531
oct37471613524
911850856172
104243003220
111888079135
129a4b81818
135280844c1
142c372bd88
1519c776215
hexfce71754

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".

Divisors: 1 2 4 5 10 20 211 422 467 844 934 1055 1868 2110 2153 2335 4220 4306 4670 8612 9340 10765 21530 43060 98537 197074 394148 454283 492685 908566 985370 1005451 1817132 1970740 2010902 2271415 4021804 4542830 5027255 9085660 10054510 20109020 212150161 424300322 848600644 1060750805 2121501610 4243003220