Base | Representation |
---|---|
bin | 1110111101001000010 |
3 | 220220020000 |
4 | 1313221002 |
5 | 111140200 |
6 | 14300430 |
7 | 4110501 |
oct | 1675102 |
9 | 826200 |
10 | 490050 |
11 | 305200 |
12 | 1b7716 |
13 | 142092 |
14 | ca838 |
15 | 9a300 |
hex | 77a42 |
490050 has 90 divisors (see below), whose sum is σ = 1496649. Its totient is φ = 118800.
The previous prime is 490033. The next prime is 490057. The reversal of 490050 is 50094.
It can be written as a sum of positive squares in 2 ways, for example, as 480249 + 9801 = 693^2 + 99^2 .
It is a tau number, because it is divible by the number of its divisors (90).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=495.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490050.
It is not an unprimeable number, because it can be changed into a prime (490057) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 44545 + ... + 44555.
2490050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 490050
490050 is an abundant number, since it is smaller than the sum of its proper divisors (1006599).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490050 is a wasteful number, since it uses less digits than its factorization.
490050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46 (or 21 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 490050 is about 700.0357133747. The cubic root of 490050 is about 78.8400330824.
Multiplying 490050 by its sum of digits (18), we get a square (8820900 = 29702).
490050 divided by its sum of digits (18) gives a square (27225 = 1652).
It can be divided in two parts, 4900 and 50, that added together give a triangular number (4950 = T99).
The spelling of 490050 in words is "four hundred ninety thousand, fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •