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42771337 = 7171918917
BaseRepresentation
bin1010001100101…
…0001110001001
32222111000020121
42203022032021
541422140322
64124423241
71026356530
oct243121611
988430217
1042771337
1122163814
12123a7b21
138b270ab
145975317
153b4cec7
hex28ca389

42771337 has 16 divisors (see below), whose sum is σ = 54483840. Its totient is φ = 32686848.

The previous prime is 42771319. The next prime is 42771341. The reversal of 42771337 is 73317724.

It is a cyclic number.

It is not a de Polignac number, because 42771337 - 215 = 42738569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42771437) 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 15 ways as a sum of consecutive naturals, for example, 7198 + ... + 11719.

It is an arithmetic number, because the mean of its divisors is an integer number (3405240).

Almost surely, 242771337 is an apocalyptic number.

It is an amenable number.

42771337 is a deficient number, since it is larger than the sum of its proper divisors (11712503).

42771337 is a wasteful number, since it uses less digits than its factorization.

42771337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18960.

The product of its digits is 24696, while the sum is 34.

The square root of 42771337 is about 6539.9798929355. The cubic root of 42771337 is about 349.7176961695.

The spelling of 42771337 in words is "forty-two million, seven hundred seventy-one thousand, three hundred thirty-seven".

Divisors: 1 7 17 19 119 133 323 2261 18917 132419 321589 359423 2251123 2515961 6110191 42771337