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289194132 = 22324099511
BaseRepresentation
bin10001001111001…
…100000010010100
3202011011120202210
4101033030002110
51043013203012
644410233420
710111052403
oct2117140224
9664146683
10289194132
11139273917
1280a25870
1347bb64b6
142a59d63a
151a5c723c
hex113cc094

289194132 has 12 divisors (see below), whose sum is σ = 674786336. Its totient is φ = 96398040.

The previous prime is 289194121. The next prime is 289194137. The reversal of 289194132 is 231491982.

289194132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289194137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12049744 + ... + 12049767.

Almost surely, 2289194132 is an apocalyptic number.

It is an amenable number.

289194132 is an abundant number, since it is smaller than the sum of its proper divisors (385592204).

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

289194132 is a wasteful number, since it uses less digits than its factorization.

289194132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24099518 (or 24099516 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 289194132 is about 17005.7088061627. The cubic root of 289194132 is about 661.2969081089.

The spelling of 289194132 in words is "two hundred eighty-nine million, one hundred ninety-four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 24099511 48199022 72298533 96398044 144597066 289194132