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490409950 = 252191633167
BaseRepresentation
bin11101001110110…
…000111111011110
31021011210101222111
4131032300333132
52001021104300
6120355104234
715103262422
oct3516607736
91234711874
10490409950
11231907288
121182a207a
137a7a8004
14491bab82
152d0c19ba
hex1d3b0fde

490409950 has 48 divisors (see below), whose sum is σ = 966366720. Its totient is φ = 184641120.

The previous prime is 490409939. The next prime is 490409957. The reversal of 490409950 is 59904094.

490409950 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490409957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153267 + ... + 156433.

It is an arithmetic number, because the mean of its divisors is an integer number (20132640).

Almost surely, 2490409950 is an apocalyptic number.

490409950 is a deficient number, since it is larger than the sum of its proper divisors (475956770).

490409950 is a wasteful number, since it uses less digits than its factorization.

490409950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3356 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 490409950 is about 22145.2015118400. The cubic root of 490409950 is about 788.5933147006.

The spelling of 490409950 in words is "four hundred ninety million, four hundred nine thousand, nine hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 163 190 326 475 815 950 1630 3097 3167 4075 6194 6334 8150 15485 15835 30970 31670 60173 77425 79175 120346 154850 158350 300865 516221 601730 1032442 1504325 2581105 3008650 5162210 9808199 12905525 19616398 25811050 49040995 98081990 245204975 490409950