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2969997 = 3989999
BaseRepresentation
bin1011010101000110001101
312120220001220
423111012031
51230014442
6143353553
734146612
oct13250615
95526056
102969997
111749448
12bb28b9
137ccac4
14574509
153d9eec
hex2d518d

2969997 has 4 divisors (see below), whose sum is σ = 3960000. Its totient is φ = 1979996.

The previous prime is 2969987. The next prime is 2970031. The reversal of 2969997 is 7999692.

2969997 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2969997 - 26 = 2969933 is a prime.

It is a d-powerful number, because it can be written as 221 + 9 + 67 + 9 + 95 + 96 + 74 .

It is a D-number.

2969997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2969927) 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, 494997 + ... + 495002.

It is an arithmetic number, because the mean of its divisors is an integer number (990000).

22969997 is an apocalyptic number.

It is an amenable number.

2969997 is a deficient number, since it is larger than the sum of its proper divisors (990003).

2969997 is an equidigital number, since it uses as much as digits as its factorization.

2969997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990002.

The product of its digits is 551124, while the sum is 51.

The square root of 2969997 is about 1723.3679235729. The cubic root of 2969997 is about 143.7425473137.

The spelling of 2969997 in words is "two million, nine hundred sixty-nine thousand, nine hundred ninety-seven".

Divisors: 1 3 989999 2969997