Base | Representation |
---|---|
bin | 11001101010000… |
… | …000001100000100 |
3 | 1002222221200100102 |
4 | 121222000030010 |
5 | 1340143104340 |
6 | 110413503232 |
7 | 13444455446 |
oct | 3152001404 |
9 | 1088850312 |
10 | 430441220 |
11 | 200a77950 |
12 | 1001a1b18 |
13 | 6b23c361 |
14 | 4124a496 |
15 | 27bc8215 |
hex | 19a80304 |
430441220 has 48 divisors (see below), whose sum is σ = 987638400. Its totient is φ = 156280320.
The previous prime is 430441213. The next prime is 430441261. The reversal of 430441220 is 22144034.
430441220 = 21682 + 21692 + ... + 22552.
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 = 430441192 and 430441201.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201116 + ... + 203244.
It is an arithmetic number, because the mean of its divisors is an integer number (20575800).
Almost surely, 2430441220 is an apocalyptic number.
It is an amenable number.
430441220 is an abundant number, since it is smaller than the sum of its proper divisors (557197180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
430441220 is a wasteful number, since it uses less digits than its factorization.
430441220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3068 (or 3066 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 430441220 is about 20747.0773845378. The cubic root of 430441220 is about 755.0423027918.
Adding to 430441220 its reverse (22144034), we get a palindrome (452585254).
The spelling of 430441220 in words is "four hundred thirty million, four hundred forty-one thousand, two hundred twenty".
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