Search a number
-
+
289195200 = 263252719151
BaseRepresentation
bin10001001111001…
…100010011000000
3202011011122020100
4101033030103000
51043013221300
644410242400
710111055460
oct2117142300
9664148210
10289195200
111392746a8
1280a26400
1347bb6b28
142a59dba0
151a5c7700
hex113cc4c0

289195200 has 504 divisors, whose sum is σ = 1244721920. Its totient is φ = 62208000.

The previous prime is 289195171. The next prime is 289195217. The reversal of 289195200 is 2591982.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1915125 + ... + 1915275.

Almost surely, 2289195200 is an apocalyptic number.

289195200 is a gapful number since it is divisible by the number (20) 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 289195200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622360960).

289195200 is an abundant number, since it is smaller than the sum of its proper divisors (955526720).

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

289195200 is a wasteful number, since it uses less digits than its factorization.

289195200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 289195200 is about 17005.7402073535. The cubic root of 289195200 is about 661.2977221691.

The spelling of 289195200 in words is "two hundred eighty-nine million, one hundred ninety-five thousand, two hundred".