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288055 = 5531087
BaseRepresentation
bin1000110010100110111
3112122010201
41012110313
533204210
610101331
72306545
oct1062467
9478121
10288055
11187469
1211a847
13a1161
1476d95
155a53a
hex46537

288055 has 8 divisors (see below), whose sum is σ = 352512. Its totient is φ = 225888.

The previous prime is 288053. The next prime is 288061. The reversal of 288055 is 550882.

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

It is a cyclic number.

It is not a de Polignac number, because 288055 - 21 = 288053 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 (288053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279 + ... + 808.

It is an arithmetic number, because the mean of its divisors is an integer number (44064).

2288055 is an apocalyptic number.

288055 is a deficient number, since it is larger than the sum of its proper divisors (64457).

288055 is a wasteful number, since it uses less digits than its factorization.

288055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 288055 is about 536.7075553782. The cubic root of 288055 is about 66.0427485529.

The spelling of 288055 in words is "two hundred eighty-eight thousand, fifty-five".

Divisors: 1 5 53 265 1087 5435 57611 288055