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2010245 = 5402049
BaseRepresentation
bin111101010110010000101
310210010112112
413222302011
51003311440
6111030405
723041526
oct7526205
93703475
102010245
111153366
1280b405
13554cc3
143a484d
1529a965
hex1eac85

2010245 has 4 divisors (see below), whose sum is σ = 2412300. Its totient is φ = 1608192.

The previous prime is 2010241. The next prime is 2010289. The reversal of 2010245 is 5420102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 516961 + 1493284 = 719^2 + 1222^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010245 - 22 = 2010241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 201020 + ... + 201029.

It is an arithmetic number, because the mean of its divisors is an integer number (603075).

22010245 is an apocalyptic number.

It is an amenable number.

2010245 is a deficient number, since it is larger than the sum of its proper divisors (402055).

2010245 is an equidigital number, since it uses as much as digits as its factorization.

2010245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402054.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2010245 is about 1417.8310900809. The cubic root of 2010245 is about 126.2068702135.

Adding to 2010245 its reverse (5420102), we get a palindrome (7430347).

The spelling of 2010245 in words is "two million, ten thousand, two hundred forty-five".

Divisors: 1 5 402049 2010245