Base | Representation |
---|---|
bin | 11001000010111… |
… | …111011010011110 |
3 | 1002021201002211102 |
4 | 121002333122132 |
5 | 1330033330210 |
6 | 105410353102 |
7 | 13261522646 |
oct | 3102773236 |
9 | 1067632742 |
10 | 420214430 |
11 | 1a6222359 |
12 | b888b792 |
13 | 6909b4bc |
14 | 3db47526 |
15 | 26d57ea5 |
hex | 190bf69e |
420214430 has 32 divisors (see below), whose sum is σ = 768752640. Its totient is φ = 165353760.
The previous prime is 420214409. The next prime is 420214471. The reversal of 420214430 is 34412024.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260687 + ... + 262293.
It is an arithmetic number, because the mean of its divisors is an integer number (24023520).
Almost surely, 2420214430 is an apocalyptic number.
420214430 is a deficient number, since it is larger than the sum of its proper divisors (348538210).
420214430 is a wasteful number, since it uses less digits than its factorization.
420214430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2024.
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 420214430 is about 20499.1324206660. The cubic root of 420214430 is about 749.0146645709.
Adding to 420214430 its reverse (34412024), we get a palindrome (454626454).
The spelling of 420214430 in words is "four hundred twenty million, two hundred fourteen thousand, four hundred thirty".
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