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2971113 = 3990371
BaseRepresentation
bin1011010101010111101001
312120221121020
423111113221
51230033423
6143403053
734153065
oct13252751
95527536
102971113
11174a272
12bb3489
13800472
14574aa5
153da4e3
hex2d55e9

2971113 has 4 divisors (see below), whose sum is σ = 3961488. Its totient is φ = 1980740.

The previous prime is 2971103. The next prime is 2971121. The reversal of 2971113 is 3111792.

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 2971113 - 25 = 2971081 is a prime.

It is a D-number.

It is a Curzon number.

2971113 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2971103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495183 + ... + 495188.

It is an arithmetic number, because the mean of its divisors is an integer number (990372).

22971113 is an apocalyptic number.

It is an amenable number.

2971113 is a deficient number, since it is larger than the sum of its proper divisors (990375).

2971113 is an equidigital number, since it uses as much as digits as its factorization.

2971113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990374.

The product of its digits is 378, while the sum is 24.

The square root of 2971113 is about 1723.6916777661. The cubic root of 2971113 is about 143.7605491943.

The spelling of 2971113 in words is "two million, nine hundred seventy-one thousand, one hundred thirteen".

Divisors: 1 3 990371 2971113