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2971297 = 7424471
BaseRepresentation
bin1011010101011010100001
312120221212001
423111122201
51230040142
6143404001
734153450
oct13253241
95527761
102971297
11174a41a
12bb3601
13800584
14574b97
153da5b7
hex2d56a1

2971297 has 4 divisors (see below), whose sum is σ = 3395776. Its totient is φ = 2546820.

The previous prime is 2971273. The next prime is 2971307. The reversal of 2971297 is 7921792.

2971297 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 2971297 - 27 = 2971169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2971247) 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, 212229 + ... + 212242.

It is an arithmetic number, because the mean of its divisors is an integer number (848944).

22971297 is an apocalyptic number.

It is an amenable number.

2971297 is a deficient number, since it is larger than the sum of its proper divisors (424479).

2971297 is an equidigital number, since it uses as much as digits as its factorization.

2971297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424478.

The product of its digits is 15876, while the sum is 37.

The square root of 2971297 is about 1723.7450507543. The cubic root of 2971297 is about 143.7635168134.

The spelling of 2971297 in words is "two million, nine hundred seventy-one thousand, two hundred ninety-seven".

Divisors: 1 7 424471 2971297