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490630 = 25743163
BaseRepresentation
bin1110111110010000110
3220221000111
41313302012
5111200010
614303234
74112260
oct1676206
9827014
10490630
11305688
121b7b1a
1314241a
14cab30
159a58a
hex77c86

490630 has 32 divisors (see below), whose sum is σ = 1039104. Its totient is φ = 163296.

The previous prime is 490627. The next prime is 490631. The reversal of 490630 is 36094.

490630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

490630 is a modest number, since divided by 630 gives 490 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490631) 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 15 ways as a sum of consecutive naturals, for example, 2929 + ... + 3091.

It is an arithmetic number, because the mean of its divisors is an integer number (32472).

2490630 is an apocalyptic number.

490630 is an abundant number, since it is smaller than the sum of its proper divisors (548474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490630 is a wasteful number, since it uses less digits than its factorization.

490630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 490630 is about 700.4498554501. The cubic root of 490630 is about 78.8711245975.

The spelling of 490630 in words is "four hundred ninety thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 43 70 86 163 215 301 326 430 602 815 1141 1505 1630 2282 3010 5705 7009 11410 14018 35045 49063 70090 98126 245315 490630