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490028208 = 24310208921
BaseRepresentation
bin11101001101010…
…011110010110000
31021011002000022220
4131031103302300
52000421400313
6120343001040
715100112445
oct3515236260
91234060286
10490028208
1123167649a
12118139180
137a6a3327
144911b9cc
152d048823
hex1d353cb0

490028208 has 20 divisors (see below), whose sum is σ = 1265906328. Its totient is φ = 163342720.

The previous prime is 490028207. The next prime is 490028219. The reversal of 490028208 is 802820094.

It is not an unprimeable number, because it can be changed into a prime (490028207) 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, 5104413 + ... + 5104508.

Almost surely, 2490028208 is an apocalyptic number.

490028208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

490028208 is an abundant number, since it is smaller than the sum of its proper divisors (775878120).

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

490028208 is a wasteful number, since it uses less digits than its factorization.

490028208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208932 (or 10208926 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 490028208 is about 22136.5807657822. The cubic root of 490028208 is about 788.3886442108.

The spelling of 490028208 in words is "four hundred ninety million, twenty-eight thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 10208921 20417842 30626763 40835684 61253526 81671368 122507052 163342736 245014104 490028208