Base | Representation |
---|---|
bin | 11001000101010… |
… | …101110011001011 |
3 | 1002022212101210112 |
4 | 121011111303023 |
5 | 1330213033121 |
6 | 105431504535 |
7 | 13266666551 |
oct | 3105256313 |
9 | 1068771715 |
10 | 420830411 |
11 | 1a6603131 |
12 | b8b2814b |
13 | 692559a1 |
14 | 3dc67bd1 |
15 | 26e2a75b |
hex | 19155ccb |
420830411 has 4 divisors (see below), whose sum is σ = 442979400. Its totient is φ = 398681424.
The previous prime is 420830401. The next prime is 420830413. The reversal of 420830411 is 114038024.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 420830411 - 214 = 420814027 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (420830413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11074466 + ... + 11074503.
It is an arithmetic number, because the mean of its divisors is an integer number (110744850).
Almost surely, 2420830411 is an apocalyptic number.
420830411 is a deficient number, since it is larger than the sum of its proper divisors (22148989).
420830411 is a wasteful number, since it uses less digits than its factorization.
420830411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22148988.
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 420830411 is about 20514.1514813555. The cubic root of 420830411 is about 749.3804726851.
Adding to 420830411 its reverse (114038024), we get a palindrome (534868435).
The spelling of 420830411 in words is "four hundred twenty million, eight hundred thirty thousand, four hundred eleven".
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