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288329005 = 561945341
BaseRepresentation
bin10001001011111…
…000110100101101
3202002112122001001
4101023320310231
51042303012010
644335520301
710100520226
oct2113706455
9662478031
10288329005
11138832938
1280689091
13479727a3
142a41624d
151a4a5c3a
hex112f8d2d

288329005 has 8 divisors (see below), whose sum is σ = 351667224. Its totient is φ = 226881600.

The previous prime is 288328981. The next prime is 288329017. The reversal of 288329005 is 500923882.

It can be written as a sum of positive squares in 4 ways, for example, as 35964009 + 252364996 = 5997^2 + 15886^2 .

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

It is not a de Polignac number, because 288329005 - 219 = 287804717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472366 + ... + 472975.

It is an arithmetic number, because the mean of its divisors is an integer number (43958403).

Almost surely, 2288329005 is an apocalyptic number.

It is an amenable number.

288329005 is a deficient number, since it is larger than the sum of its proper divisors (63338219).

288329005 is an equidigital number, since it uses as much as digits as its factorization.

288329005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945407.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 288329005 is about 16980.2533844463. The cubic root of 288329005 is about 660.6368241221.

The spelling of 288329005 in words is "two hundred eighty-eight million, three hundred twenty-nine thousand, five".

Divisors: 1 5 61 305 945341 4726705 57665801 288329005