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2005097 = 13271511
BaseRepresentation
bin111101001100001101001
310202212110212
413221201221
51003130342
6110550505
723020523
oct7514151
93685425
102005097
11114a506
12808435
13552863
143a2a13
15299182
hex1e9869

2005097 has 4 divisors (see below), whose sum is σ = 2007936. Its totient is φ = 2002260.

The previous prime is 2005079. The next prime is 2005103. The reversal of 2005097 is 7905002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2005097 - 26 = 2005033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005027) 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, 572 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (501984).

22005097 is an apocalyptic number.

It is an amenable number.

2005097 is a deficient number, since it is larger than the sum of its proper divisors (2839).

2005097 is a wasteful number, since it uses less digits than its factorization.

2005097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 2005097 is about 1416.0144773271. The cubic root of 2005097 is about 126.0990444890.

The spelling of 2005097 in words is "two million, five thousand, ninety-seven".

Divisors: 1 1327 1511 2005097