Base | Representation |
---|---|
bin | 1111000110111001001 |
3 | 221011002011 |
4 | 1320313021 |
5 | 111320144 |
6 | 14335521 |
7 | 4131202 |
oct | 1706711 |
9 | 834064 |
10 | 495049 |
11 | 308a35 |
12 | 1ba5a1 |
13 | 144439 |
14 | cc5a9 |
15 | 9ba34 |
hex | 78dc9 |
495049 has 4 divisors (see below), whose sum is σ = 498960. Its totient is φ = 491140.
The previous prime is 495043. The next prime is 495067. The reversal of 495049 is 940594.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 940594 = 2 ⋅470297.
It is a cyclic number.
It is not a de Polignac number, because 495049 - 23 = 495041 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 495049.
It is not an unprimeable number, because it can be changed into a prime (495041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1759 + ... + 2020.
It is an arithmetic number, because the mean of its divisors is an integer number (124740).
2495049 is an apocalyptic number.
It is an amenable number.
495049 is a deficient number, since it is larger than the sum of its proper divisors (3911).
495049 is a wasteful number, since it uses less digits than its factorization.
495049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3910.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 495049 is about 703.5971858955. The cubic root of 495049 is about 79.1072090339.
The spelling of 495049 in words is "four hundred ninety-five thousand, forty-nine".
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