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2942047 = 5035849
BaseRepresentation
bin1011001110010001011111
312112110201201
423032101133
51223121142
6143020331
734002253
oct13162137
95473651
102942047
11172a449
12b9a6a7
137c0174
14568263
153d1ab7
hex2ce45f

2942047 has 4 divisors (see below), whose sum is σ = 2948400. Its totient is φ = 2935696.

The previous prime is 2942041. The next prime is 2942063. The reversal of 2942047 is 7402492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2942047 - 211 = 2939999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942041) 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, 2422 + ... + 3427.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

22942047 is an apocalyptic number.

2942047 is a deficient number, since it is larger than the sum of its proper divisors (6353).

2942047 is an equidigital number, since it uses as much as digits as its factorization.

2942047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2942047 is about 1715.2396334040. The cubic root of 2942047 is about 143.2902153821.

The spelling of 2942047 in words is "two million, nine hundred forty-two thousand, forty-seven".

Divisors: 1 503 5849 2942047