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2097085 = 5419417
BaseRepresentation
bin111111111111110111101
310221112122211
413333332331
51014101320
6112540421
723552644
oct7777675
93845584
102097085
111202631
12851711
135856a3
143c835b
152b655a
hex1fffbd

2097085 has 4 divisors (see below), whose sum is σ = 2516508. Its totient is φ = 1677664.

The previous prime is 2097083. The next prime is 2097091. The reversal of 2097085 is 5807902.

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 527076 + 1570009 = 726^2 + 1253^2 .

It is a cyclic number.

It is not a de Polignac number, because 2097085 - 21 = 2097083 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209704 + ... + 209713.

It is an arithmetic number, because the mean of its divisors is an integer number (629127).

22097085 is an apocalyptic number.

It is an amenable number.

2097085 is a deficient number, since it is larger than the sum of its proper divisors (419423).

2097085 is an equidigital number, since it uses as much as digits as its factorization.

2097085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419422.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 2097085 is about 1448.1315547974. The cubic root of 2097085 is about 127.9986368670.

The spelling of 2097085 in words is "two million, ninety-seven thousand, eighty-five".

Divisors: 1 5 419417 2097085