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42873311 = 1323223643
BaseRepresentation
bin1010001110001…
…1000111011111
32222200012010102
42203203013133
541433421221
64130531315
71030263035
oct243430737
988605112
1042873311
1122223398
1212436b3b
138b61630
1459a0555
153b6d30b
hex28e31df

42873311 has 16 divisors (see below), whose sum is σ = 48470016. Its totient is φ = 37626336.

The previous prime is 42873293. The next prime is 42873319. The reversal of 42873311 is 11337824.

It is a cyclic number.

It is not a de Polignac number, because 42873311 - 214 = 42856927 is a prime.

It is a super-2 number, since 2×428733112 = 3676241592205442, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42873319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66356 + ... + 66998.

It is an arithmetic number, because the mean of its divisors is an integer number (3029376).

Almost surely, 242873311 is an apocalyptic number.

42873311 is a deficient number, since it is larger than the sum of its proper divisors (5596705).

42873311 is a wasteful number, since it uses less digits than its factorization.

42873311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its digits is 4032, while the sum is 29.

The square root of 42873311 is about 6547.7714529449. The cubic root of 42873311 is about 349.9954040213.

The spelling of 42873311 in words is "forty-two million, eight hundred seventy-three thousand, three hundred eleven".

Divisors: 1 13 23 223 299 643 2899 5129 8359 14789 66677 143389 192257 1864057 3297947 42873311