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2065249 = 12171697
BaseRepresentation
bin111111000001101100001
310212220222201
413320031201
51012041444
6112133201
723361064
oct7701541
93786881
102065249
11119071a
12837201
13574054
143ba8db
152abdd4
hex1f8361

2065249 has 4 divisors (see below), whose sum is σ = 2068164. Its totient is φ = 2062336.

The previous prime is 2065241. The next prime is 2065267. The reversal of 2065249 is 9425602.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1456849 + 608400 = 1207^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065249 - 23 = 2065241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2065241) 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, 369 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (517041).

22065249 is an apocalyptic number.

It is an amenable number.

2065249 is a deficient number, since it is larger than the sum of its proper divisors (2915).

2065249 is a wasteful number, since it uses less digits than its factorization.

2065249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2065249 is about 1437.0974218890. The cubic root of 2065249 is about 127.3476123774.

The spelling of 2065249 in words is "two million, sixty-five thousand, two hundred forty-nine".

Divisors: 1 1217 1697 2065249