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289100196 = 2232721147317
BaseRepresentation
bin10001001110110…
…101000110100100
3202010222210220200
4101032311012210
51043002201241
644404230500
710110211500
oct2116650644
9663883820
10289100196
1113920a290
128099b430
1347b82808
142a577300
151a5a94b6
hex113b51a4

289100196 has 216 divisors, whose sum is σ = 950092416. Its totient is φ = 73261440.

The previous prime is 289100171. The next prime is 289100209. The reversal of 289100196 is 691001982.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 289100196.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 911830 + ... + 912146.

It is an arithmetic number, because the mean of its divisors is an integer number (4398576).

Almost surely, 2289100196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289100196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475046208).

289100196 is an abundant number, since it is smaller than the sum of its proper divisors (660992220).

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

289100196 is a wasteful number, since it uses less digits than its factorization.

289100196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 289100196 is about 17002.9466857954. The cubic root of 289100196 is about 661.2252995635.

It can be divided in two parts, 2 and 89100196, that added together give a palindrome (89100198).

The spelling of 289100196 in words is "two hundred eighty-nine million, one hundred thousand, one hundred ninety-six".