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42873041 = 127337583
BaseRepresentation
bin1010001110001…
…1000011010001
32222200011202102
42203203003101
541433414131
64130530145
71030262201
oct243430321
988604672
1042873041
1122223172
1212436955
138b61483
1459a0401
153b6d1cb
hex28e30d1

42873041 has 4 divisors (see below), whose sum is σ = 43210752. Its totient is φ = 42535332.

The previous prime is 42873037. The next prime is 42873043. The reversal of 42873041 is 14037824.

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 42873041 - 22 = 42873037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42872995 and 42873013.

It is not an unprimeable number, because it can be changed into a prime (42873043) 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, 168665 + ... + 168918.

It is an arithmetic number, because the mean of its divisors is an integer number (10802688).

Almost surely, 242873041 is an apocalyptic number.

It is an amenable number.

42873041 is a deficient number, since it is larger than the sum of its proper divisors (337711).

42873041 is a wasteful number, since it uses less digits than its factorization.

42873041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337710.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 42873041 is about 6547.7508352105. The cubic root of 42873041 is about 349.9946693066.

The spelling of 42873041 in words is "forty-two million, eight hundred seventy-three thousand, forty-one".

Divisors: 1 127 337583 42873041