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494100000 = 25345561
BaseRepresentation
bin11101011100110…
…101111000100000
31021102201212210000
4131130311320200
52002442200000
6121010140000
715146531532
oct3534657040
91242655700
10494100000
112339a7709
12119581600
137b49a784
144989b852
152d5a0000
hex1d735e20

494100000 has 360 divisors, whose sum is σ = 1846077156. Its totient is φ = 129600000.

The previous prime is 494099993. The next prime is 494100017. The reversal of 494100000 is 1494.

It can be written as a sum of positive squares in 6 ways, for example, as 184199184 + 309900816 = 13572^2 + 17604^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 8099970 + ... + 8100030.

Almost surely, 2494100000 is an apocalyptic number.

494100000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923038578).

494100000 is an abundant number, since it is smaller than the sum of its proper divisors (1351977156).

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

494100000 is an frugal number, since it uses more digits than its factorization.

494100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 494100000 is about 22228.3602634112. The cubic root of 494100000 is about 790.5662766823.

Adding to 494100000 its reverse (1494), we get a palindrome (494101494).

The spelling of 494100000 in words is "four hundred ninety-four million, one hundred thousand".