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490229 = 1728837
BaseRepresentation
bin1110111101011110101
3220220110122
41313223311
5111141404
614301325
74111145
oct1675365
9826418
10490229
11305353
121b7845
1314219c
14ca925
159a3be
hex77af5

490229 has 4 divisors (see below), whose sum is σ = 519084. Its totient is φ = 461376.

The previous prime is 490223. The next prime is 490241. The reversal of 490229 is 922094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 348100 + 142129 = 590^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 490229 - 212 = 486133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 490198 and 490207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14402 + ... + 14435.

It is an arithmetic number, because the mean of its divisors is an integer number (129771).

2490229 is an apocalyptic number.

It is an amenable number.

490229 is a deficient number, since it is larger than the sum of its proper divisors (28855).

490229 is a wasteful number, since it uses less digits than its factorization.

490229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28854.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 490229 is about 700.1635523219. The cubic root of 490229 is about 78.8496311833.

The spelling of 490229 in words is "four hundred ninety thousand, two hundred twenty-nine".

Divisors: 1 17 28837 490229