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2052245 = 51331573
BaseRepresentation
bin111110101000010010101
310212021011002
413311002111
51011132440
6111553045
723305136
oct7650225
93767132
102052245
111181978
1282b785
1356b160
143b5c8d
152a8115
hex1f5095

2052245 has 8 divisors (see below), whose sum is σ = 2652216. Its totient is φ = 1515456.

The previous prime is 2052217. The next prime is 2052311. The reversal of 2052245 is 5422502.

It can be written as a sum of positive squares in 4 ways, for example, as 18769 + 2033476 = 137^2 + 1426^2 .

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 2052245 - 26 = 2052181 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 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, 15722 + ... + 15851.

It is an arithmetic number, because the mean of its divisors is an integer number (331527).

22052245 is an apocalyptic number.

It is an amenable number.

2052245 is a deficient number, since it is larger than the sum of its proper divisors (599971).

2052245 is a wasteful number, since it uses less digits than its factorization.

2052245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31591.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2052245 is about 1432.5658798115. The cubic root of 2052245 is about 127.0797647181.

Adding to 2052245 its reverse (5422502), we get a palindrome (7474747).

The spelling of 2052245 in words is "two million, fifty-two thousand, two hundred forty-five".

Divisors: 1 5 13 65 31573 157865 410449 2052245