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2697005 = 5539401
BaseRepresentation
bin1010010010011100101101
312002000121002
422102130231
51142301010
6133450045
731631663
oct12223455
95060532
102697005
111582333
12aa0925
1373577c
14502c33
153841a5
hex29272d

2697005 has 4 divisors (see below), whose sum is σ = 3236412. Its totient is φ = 2157600.

The previous prime is 2696989. The next prime is 2697007. The reversal of 2697005 is 5007962.

2697005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 925444 + 1771561 = 962^2 + 1331^2 .

It is not a de Polignac number, because 2697005 - 24 = 2696989 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2697007) 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, 269696 + ... + 269705.

It is an arithmetic number, because the mean of its divisors is an integer number (809103).

22697005 is an apocalyptic number.

It is an amenable number.

2697005 is a deficient number, since it is larger than the sum of its proper divisors (539407).

2697005 is an equidigital number, since it uses as much as digits as its factorization.

2697005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539406.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 2697005 is about 1642.2560701669. The cubic root of 2697005 is about 139.1961587052.

The spelling of 2697005 in words is "two million, six hundred ninety-seven thousand, five".

Divisors: 1 5 539401 2697005