Base | Representation |
---|---|
bin | 1110111101111111111 |
3 | 220220211111 |
4 | 1313233333 |
5 | 111143440 |
6 | 14302451 |
7 | 4112005 |
oct | 1675777 |
9 | 826744 |
10 | 490495 |
11 | 305575 |
12 | 1b7a27 |
13 | 142345 |
14 | caa75 |
15 | 9a4ea |
hex | 77bff |
490495 has 8 divisors (see below), whose sum is σ = 592416. Its totient is φ = 389856.
The previous prime is 490493. The next prime is 490499. The reversal of 490495 is 594094.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 490495 - 21 = 490493 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a nialpdrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129 + ... + 1501.
It is an arithmetic number, because the mean of its divisors is an integer number (74052).
2490495 is an apocalyptic number.
490495 is a deficient number, since it is larger than the sum of its proper divisors (101921).
490495 is a wasteful number, since it uses less digits than its factorization.
490495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 641.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 490495 is about 700.3534821788. The cubic root of 490495 is about 78.8638899681.
The spelling of 490495 in words is "four hundred ninety thousand, four hundred ninety-five".
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