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290000084 = 221143153277
BaseRepresentation
bin10001010010010…
…000110011010100
3202012200112022212
4101102100303110
51043220000314
644435412552
710120650203
oct2122206324
9665615285
10290000084
111397743a0
1281154158
13481092aa
142a72d23a
151a6d5e3e
hex11490cd4

290000084 has 24 divisors (see below), whose sum is σ = 566515488. Its totient is φ = 128751840.

The previous prime is 290000057. The next prime is 290000089. The reversal of 290000084 is 480000092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290000089) 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 7 ways as a sum of consecutive naturals, for example, 74747 + ... + 78530.

It is an arithmetic number, because the mean of its divisors is an integer number (23604812).

Almost surely, 2290000084 is an apocalyptic number.

It is an amenable number.

290000084 is a deficient number, since it is larger than the sum of its proper divisors (276515404).

290000084 is a wasteful number, since it uses less digits than its factorization.

290000084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153335 (or 153333 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 290000084 is about 17029.3888322511. The cubic root of 290000084 is about 661.9106587112.

The spelling of 290000084 in words is "two hundred ninety million, eighty-four", and thus it is an aban number.

Divisors: 1 2 4 11 22 43 44 86 172 473 946 1892 153277 306554 613108 1686047 3372094 6590911 6744188 13181822 26363644 72500021 145000042 290000084