Base | Representation |
---|---|
bin | 1100110111110110110 |
3 | 210102121202 |
4 | 1212332312 |
5 | 101444224 |
6 | 13012502 |
7 | 3404531 |
oct | 1467666 |
9 | 712552 |
10 | 421814 |
11 | 268a08 |
12 | 184132 |
13 | 119cc3 |
14 | ada18 |
15 | 84eae |
hex | 66fb6 |
421814 has 4 divisors (see below), whose sum is σ = 632724. Its totient is φ = 210906.
The previous prime is 421807. The next prime is 421831. The reversal of 421814 is 418124.
It is a semiprime because it is the product of two primes.
It is a Curzon number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 421814.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105452 + ... + 105455.
It is an arithmetic number, because the mean of its divisors is an integer number (158181).
2421814 is an apocalyptic number.
421814 is a deficient number, since it is larger than the sum of its proper divisors (210910).
421814 is a wasteful number, since it uses less digits than its factorization.
421814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210909.
The product of its digits is 256, while the sum is 20.
The square root of 421814 is about 649.4720933189. The cubic root of 421814 is about 74.9963850109.
Adding to 421814 its reverse (418124), we get a palindrome (839938).
The spelling of 421814 in words is "four hundred twenty-one thousand, eight hundred fourteen".
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