Base | Representation |
---|---|
bin | 11010011010101… |
… | …011001110100100 |
3 | 1010212221220200101 |
4 | 122122223032210 |
5 | 1401424403140 |
6 | 111551153444 |
7 | 13661066335 |
oct | 3232531644 |
9 | 1125856611 |
10 | 443200420 |
11 | 2081a2043 |
12 | 104515884 |
13 | 70a88a90 |
14 | 42c0c28c |
15 | 28d9899a |
hex | 1a6ab3a4 |
443200420 has 96 divisors (see below), whose sum is σ = 1028764800. Its totient is φ = 159396864.
The previous prime is 443200391. The next prime is 443200463. The reversal of 443200420 is 24002344.
It is a super-2 number, since 2×4432004202 = 392853224576352800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2475891 + ... + 2476069.
It is an arithmetic number, because the mean of its divisors is an integer number (10716300).
Almost surely, 2443200420 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 443200420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514382400).
443200420 is an abundant number, since it is smaller than the sum of its proper divisors (585564380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
443200420 is a wasteful number, since it uses less digits than its factorization.
443200420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 397 (or 395 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 19.
The square root of 443200420 is about 21052.3257622525. The cubic root of 443200420 is about 762.4301367505.
Adding to 443200420 its reverse (24002344), we get a palindrome (467202764).
The spelling of 443200420 in words is "four hundred forty-three million, two hundred thousand, four hundred twenty".
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