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289830092 = 22443163561
BaseRepresentation
bin10001010001100…
…111010011001100
3202012100220010212
4101101213103030
51043144030332
644432021552
710116341456
oct2121472314
9665326125
10289830092
11139668702
12810918b8
1348079ac6
142a6c72d6
151a6a08b2
hex114674cc

289830092 has 12 divisors (see below), whose sum is σ = 508350696. Its totient is φ = 144587040.

The previous prime is 289830077. The next prime is 289830097. The reversal of 289830092 is 290038982.

It is not an unprimeable number, because it can be changed into a prime (289830097) 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, 80009 + ... + 83552.

It is an arithmetic number, because the mean of its divisors is an integer number (42362558).

Almost surely, 2289830092 is an apocalyptic number.

It is an amenable number.

289830092 is a deficient number, since it is larger than the sum of its proper divisors (218520604).

289830092 is a wasteful number, since it uses less digits than its factorization.

289830092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164008 (or 164006 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 289830092 is about 17024.3969643568. The cubic root of 289830092 is about 661.7813006919.

The spelling of 289830092 in words is "two hundred eighty-nine million, eight hundred thirty thousand, ninety-two".

Divisors: 1 2 4 443 886 1772 163561 327122 654244 72457523 144915046 289830092