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2012305 = 5478563
BaseRepresentation
bin111101011010010010001
310210020100211
413223102101
51003343210
6111044121
723050531
oct7532221
93706324
102012305
111154969
12810641
13555c19
143a54c1
1529b38a
hex1eb491

2012305 has 8 divisors (see below), whose sum is σ = 2466432. Its totient is φ = 1575408.

The previous prime is 2012299. The next prime is 2012317. The reversal of 2012305 is 5032102.

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 2012305 - 219 = 1488017 is a prime.

It is a d-powerful number, because it can be written as 2 + 0 + 1 + 27 + 310 + 0 + 59 .

It is a Duffinian number.

It is a nialpdrome in base 8.

It is an unprimeable number.

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, 4047 + ... + 4516.

It is an arithmetic number, because the mean of its divisors is an integer number (308304).

22012305 is an apocalyptic number.

It is an amenable number.

2012305 is a deficient number, since it is larger than the sum of its proper divisors (454127).

2012305 is an equidigital number, since it uses as much as digits as its factorization.

2012305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8615.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2012305 is about 1418.5573657769. The cubic root of 2012305 is about 126.2499656896.

Adding to 2012305 its reverse (5032102), we get a palindrome (7044407).

The spelling of 2012305 in words is "two million, twelve thousand, three hundred five".

Divisors: 1 5 47 235 8563 42815 402461 2012305