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490102 = 2372179
BaseRepresentation
bin1110111101001110110
3220220021221
41313221312
5111140402
614300554
74110604
oct1675166
9826257
10490102
11305248
121b775a
13142102
14ca874
159a337
hex77a76

490102 has 12 divisors (see below), whose sum is σ = 759780. Its totient is φ = 237096.

The previous prime is 490097. The next prime is 490103. The reversal of 490102 is 201094.

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 (490103) by changing a digit.

490102 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2649 + ... + 2827.

It is an arithmetic number, because the mean of its divisors is an integer number (63315).

2490102 is an apocalyptic number.

490102 is a deficient number, since it is larger than the sum of its proper divisors (269678).

490102 is a wasteful number, since it uses less digits than its factorization.

490102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 490102 is about 700.0728533517. The cubic root of 490102 is about 78.8428215984.

Adding to 490102 its reverse (201094), we get a palindrome (691196).

The spelling of 490102 in words is "four hundred ninety thousand, one hundred two".

Divisors: 1 2 37 74 179 358 1369 2738 6623 13246 245051 490102