Base | Representation |
---|---|
bin | 11001101001010… |
… | …000001000110101 |
3 | 1002222120200100222 |
4 | 121221100020311 |
5 | 1340120310110 |
6 | 110405344125 |
7 | 13443005603 |
oct | 3151201065 |
9 | 1088520328 |
10 | 430244405 |
11 | 200952a98 |
12 | 100108045 |
13 | 6b1a08b6 |
14 | 411d8873 |
15 | 27b89c55 |
hex | 19a50235 |
430244405 has 8 divisors (see below), whose sum is σ = 517287384. Its totient is φ = 343532800.
The previous prime is 430244401. The next prime is 430244429. The reversal of 430244405 is 504442034.
It can be written as a sum of positive squares in 4 ways, for example, as 677329 + 429567076 = 823^2 + 20726^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 430244405 - 22 = 430244401 is a prime.
It is a super-2 number, since 2×4302444052 = 370220496067608050, 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 (430244401) 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, 79976 + ... + 85185.
It is an arithmetic number, because the mean of its divisors is an integer number (64660923).
Almost surely, 2430244405 is an apocalyptic number.
It is an amenable number.
430244405 is a deficient number, since it is larger than the sum of its proper divisors (87042979).
430244405 is a wasteful number, since it uses less digits than its factorization.
430244405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165687.
The product of its (nonzero) digits is 7680, while the sum is 26.
The square root of 430244405 is about 20742.3336440238. Note that the first 3 decimals coincide. The cubic root of 430244405 is about 754.9272067006.
Adding to 430244405 its reverse (504442034), we get a palindrome (934686439).
The spelling of 430244405 in words is "four hundred thirty million, two hundred forty-four thousand, four hundred five".
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