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2742473 is a prime number
BaseRepresentation
bin1010011101100011001001
312011022222002
422131203021
51200224343
6134440345
732211356
oct12354311
95138862
102742473
111603508
12b030b5
13750386
1451562d
153928b8
hex29d8c9

2742473 has 2 divisors, whose sum is σ = 2742474. Its totient is φ = 2742472.

The previous prime is 2742469. The next prime is 2742503. The reversal of 2742473 is 3742472.

2742473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2715904 + 26569 = 1648^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742473 - 22 = 2742469 is a prime.

It is not a weakly prime, because it can be changed into another prime (2742463) 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 as a sum of consecutive naturals, namely, 1371236 + 1371237.

It is an arithmetic number, because the mean of its divisors is an integer number (1371237).

22742473 is an apocalyptic number.

It is an amenable number.

2742473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742473 is an equidigital number, since it uses as much as digits as its factorization.

2742473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 29.

The square root of 2742473 is about 1656.0413642177. The cubic root of 2742473 is about 139.9740257935.

Subtracting 2742473 from its reverse (3742472), we obtain a palindrome (999999).

The spelling of 2742473 in words is "two million, seven hundred forty-two thousand, four hundred seventy-three".