Base | Representation |
---|---|
bin | 101100001111001000100 |
3 | 2201122101200 |
4 | 11201321010 |
5 | 332341130 |
6 | 51022500 |
7 | 15215031 |
oct | 5417104 |
9 | 2648350 |
10 | 1449540 |
11 | 900074 |
12 | 59aa30 |
13 | 3b9a21 |
14 | 29a388 |
15 | 1d9760 |
hex | 161e44 |
1449540 has 36 divisors (see below), whose sum is σ = 4397484. Its totient is φ = 386496.
The previous prime is 1449523. The next prime is 1449551. The reversal of 1449540 is 459441.
It can be written as a sum of positive squares in 2 ways, for example, as 831744 + 617796 = 912^2 + 786^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3847 + ... + 4206.
21449540 is an apocalyptic number.
1449540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1449540 is an abundant number, since it is smaller than the sum of its proper divisors (2947944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1449540 is a wasteful number, since it uses less digits than its factorization.
1449540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8068 (or 8063 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 1449540 is about 1203.9684381245. The cubic root of 1449540 is about 113.1731493292.
Subtracting from 1449540 its reverse (459441), we obtain a palindrome (990099).
It can be divided in two parts, 14495 and 40, that added together give a triangular number (14535 = T170).
The spelling of 1449540 in words is "one million, four hundred forty-nine thousand, five hundred forty".
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