Base | Representation |
---|---|
bin | 101010110111110001110 |
3 | 2122101001011 |
4 | 11112332032 |
5 | 324423224 |
6 | 50035434 |
7 | 14640445 |
oct | 5267616 |
9 | 2571034 |
10 | 1404814 |
11 | 87a504 |
12 | 578b7a |
13 | 3a2568 |
14 | 287d5c |
15 | 1cb394 |
hex | 156f8e |
1404814 has 4 divisors (see below), whose sum is σ = 2107224. Its totient is φ = 702406.
The previous prime is 1404811. The next prime is 1404833. The reversal of 1404814 is 4184041.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4184041 = 673 ⋅6217.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1404811) by changing a digit.
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, 351202 + ... + 351205.
It is an arithmetic number, because the mean of its divisors is an integer number (526806).
21404814 is an apocalyptic number.
1404814 is a deficient number, since it is larger than the sum of its proper divisors (702410).
1404814 is an equidigital number, since it uses as much as digits as its factorization.
1404814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 702409.
The product of its (nonzero) digits is 512, while the sum is 22.
The square root of 1404814 is about 1185.2484971515. The cubic root of 1404814 is about 111.9969705813.
Adding to 1404814 its product of nonzero digits (512), we get a triangular number (1405326 = T1676).
Adding to 1404814 its reverse (4184041), we get a palindrome (5588855).
The spelling of 1404814 in words is "one million, four hundred four thousand, eight hundred fourteen".
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