Base | Representation |
---|---|
bin | 101010110110101011001 |
3 | 2122100021020 |
4 | 11112311121 |
5 | 324413444 |
6 | 50033053 |
7 | 14636010 |
oct | 5266531 |
9 | 2570236 |
10 | 1404249 |
11 | 87a040 |
12 | 578789 |
13 | 3a2222 |
14 | 287a77 |
15 | 1cb119 |
hex | 156d59 |
1404249 has 16 divisors (see below), whose sum is σ = 2334720. Its totient is φ = 729360.
The previous prime is 1404229. The next prime is 1404257. The reversal of 1404249 is 9424041.
It is not a de Polignac number, because 1404249 - 211 = 1402201 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1404229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2809 + ... + 3270.
It is an arithmetic number, because the mean of its divisors is an integer number (145920).
21404249 is an apocalyptic number.
It is an amenable number.
1404249 is a deficient number, since it is larger than the sum of its proper divisors (930471).
1404249 is a wasteful number, since it uses less digits than its factorization.
1404249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6100.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 1404249 is about 1185.0101265390. The cubic root of 1404249 is about 111.9819539377.
Subtracting from 1404249 its sum of digits (24), we obtain a square (1404225 = 11852).
It can be divided in two parts, 1404 and 249, that added together give a triangular number (1653 = T57).
The spelling of 1404249 in words is "one million, four hundred four thousand, two hundred forty-nine".
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