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290042195 = 5292000291
BaseRepresentation
bin10001010010011…
…011000101010011
3202012202200002112
4101102123011103
51043222322240
644440335535
710121214032
oct2122330523
9665680075
10290042195
111397a2aa3
12811745ab
1348122501
142a740719
151a6e3665
hex1149b153

290042195 has 8 divisors (see below), whose sum is σ = 360052560. Its totient is φ = 224032480.

The previous prime is 290042191. The next prime is 290042197. The reversal of 290042195 is 591240092.

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

It is not a de Polignac number, because 290042195 - 22 = 290042191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290042191) 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 7 ways as a sum of consecutive naturals, for example, 1000001 + ... + 1000290.

It is an arithmetic number, because the mean of its divisors is an integer number (45006570).

Almost surely, 2290042195 is an apocalyptic number.

290042195 is a deficient number, since it is larger than the sum of its proper divisors (70010365).

290042195 is a wasteful number, since it uses less digits than its factorization.

290042195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000325.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 290042195 is about 17030.6252087233. The cubic root of 290042195 is about 661.9426959096.

The spelling of 290042195 in words is "two hundred ninety million, forty-two thousand, one hundred ninety-five".

Divisors: 1 5 29 145 2000291 10001455 58008439 290042195