Search a number
-
+
289206466 = 21019141907
BaseRepresentation
bin10001001111001…
…111000011000010
3202011012012200121
4101033033003002
51043014101331
644410410454
710111133353
oct2117170302
9664165617
10289206466
1113928210a
1280a30a2a
1347bbbcb3
142a5a3d2a
151a5cac11
hex113cf0c2

289206466 has 8 divisors (see below), whose sum is σ = 434238480. Its totient is φ = 144460308.

The previous prime is 289206461. The next prime is 289206493. The reversal of 289206466 is 664602982.

289206466 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (289206461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 68916 + ... + 72991.

It is an arithmetic number, because the mean of its divisors is an integer number (54279810).

Almost surely, 2289206466 is an apocalyptic number.

289206466 is a deficient number, since it is larger than the sum of its proper divisors (145032014).

289206466 is a wasteful number, since it uses less digits than its factorization.

289206466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142928.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 289206466 is about 17006.0714452221. The cubic root of 289206466 is about 661.3063093141.

The spelling of 289206466 in words is "two hundred eighty-nine million, two hundred six thousand, four hundred sixty-six".

Divisors: 1 2 1019 2038 141907 283814 144603233 289206466