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42741047 is a prime number
BaseRepresentation
bin1010001100001…
…0110100110111
32222102110200202
42203002310313
541420203142
64124031115
71026202316
oct243026467
988373622
1042741047
1122142a88
121239249b
138b1637b
14596827d
153b44032
hex28c2d37

42741047 has 2 divisors, whose sum is σ = 42741048. Its totient is φ = 42741046.

The previous prime is 42741029. The next prime is 42741067. The reversal of 42741047 is 74014724.

42741047 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 is a cyclic number.

It is not a de Polignac number, because 42741047 - 28 = 42740791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42741067) 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 as a sum of consecutive naturals, namely, 21370523 + 21370524.

It is an arithmetic number, because the mean of its divisors is an integer number (21370524).

Almost surely, 242741047 is an apocalyptic number.

42741047 is a deficient number, since it is larger than the sum of its proper divisors (1).

42741047 is an equidigital number, since it uses as much as digits as its factorization.

42741047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 42741047 is about 6537.6637264393. The cubic root of 42741047 is about 349.6351217841.

The spelling of 42741047 in words is "forty-two million, seven hundred forty-one thousand, forty-seven".