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288206053 = 1272269339
BaseRepresentation
bin10001001011011…
…010110011100101
3202002022101101021
4101023122303211
51042240043203
644333131141
710066465612
oct2113326345
9662271337
10288206053
11138759523
1280629ab1
134792b835
142a3c3509
151a47e5bd
hex112dace5

288206053 has 4 divisors (see below), whose sum is σ = 290475520. Its totient is φ = 285936588.

The previous prime is 288206047. The next prime is 288206057. The reversal of 288206053 is 350602882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-288206053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288206057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134543 + ... + 1134796.

It is an arithmetic number, because the mean of its divisors is an integer number (72618880).

Almost surely, 2288206053 is an apocalyptic number.

It is an amenable number.

288206053 is a deficient number, since it is larger than the sum of its proper divisors (2269467).

288206053 is a wasteful number, since it uses less digits than its factorization.

288206053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269466.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 288206053 is about 16976.6325577248. The cubic root of 288206053 is about 660.5429057557.

The spelling of 288206053 in words is "two hundred eighty-eight million, two hundred six thousand, fifty-three".

Divisors: 1 127 2269339 288206053