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248105 = 51113347
BaseRepresentation
bin111100100100101001
3110121100002
4330210221
530414410
65152345
72052224
oct744451
9417302
10248105
1115a450
12bb6b5
1388c10
14665bb
154d7a5
hex3c929

248105 has 16 divisors (see below), whose sum is σ = 350784. Its totient is φ = 166080.

The previous prime is 248099. The next prime is 248117. The reversal of 248105 is 501842.

248105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 248105 - 24 = 248089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542 + ... + 888.

It is an arithmetic number, because the mean of its divisors is an integer number (21924).

2248105 is an apocalyptic number.

It is an amenable number.

248105 is a deficient number, since it is larger than the sum of its proper divisors (102679).

248105 is a wasteful number, since it uses less digits than its factorization.

248105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 248105 is about 498.1013953002. The cubic root of 248105 is about 62.8364785970.

Adding to 248105 its reverse (501842), we get a palindrome (749947).

It can be divided in two parts, 248 and 105, that added together give a palindrome (353).

The spelling of 248105 in words is "two hundred forty-eight thousand, one hundred five".

Divisors: 1 5 11 13 55 65 143 347 715 1735 3817 4511 19085 22555 49621 248105