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490319982 = 23244816079
BaseRepresentation
bin11101001110011…
…011000001101110
31021011121211120100
4131032123001232
52001010214412
6120353131530
715102436215
oct3516330156
91234554510
10490319982
11231855729
12118259ba6
137a776089
144919607c
152d0a4edc
hex1d39b06e

490319982 has 24 divisors (see below), whose sum is σ = 1062771840. Its totient is φ = 163376640.

The previous prime is 490319981. The next prime is 490319987. The reversal of 490319982 is 289913094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490319981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77619 + ... + 83697.

It is an arithmetic number, because the mean of its divisors is an integer number (44282160).

Almost surely, 2490319982 is an apocalyptic number.

490319982 is an abundant number, since it is smaller than the sum of its proper divisors (572451858).

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

490319982 is a wasteful number, since it uses less digits than its factorization.

490319982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10568 (or 10565 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 490319982 is about 22143.1700982493. The cubic root of 490319982 is about 788.5450880402.

The spelling of 490319982 in words is "four hundred ninety million, three hundred nineteen thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 4481 6079 8962 12158 13443 18237 26886 36474 40329 54711 80658 109422 27239999 54479998 81719997 163439994 245159991 490319982