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42741029 is a prime number
BaseRepresentation
bin1010001100001…
…0110100100101
32222102110200002
42203002310211
541420203104
64124031045
71026202262
oct243026445
988373602
1042741029
1122142a71
1212392485
138b16366
145968269
153b4401e
hex28c2d25

42741029 has 2 divisors, whose sum is σ = 42741030. Its totient is φ = 42741028.

The previous prime is 42741019. The next prime is 42741047. The reversal of 42741029 is 92014724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28376929 + 14364100 = 5327^2 + 3790^2 .

It is a cyclic number.

It is not a de Polignac number, because 42741029 - 28 = 42740773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42740992 and 42741010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42741019) 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, 21370514 + 21370515.

It is an arithmetic number, because the mean of its divisors is an integer number (21370515).

Almost surely, 242741029 is an apocalyptic number.

It is an amenable number.

42741029 is a deficient number, since it is larger than the sum of its proper divisors (1).

42741029 is an equidigital number, since it uses as much as digits as its factorization.

42741029 is an odious number, because the sum of its binary digits is odd.

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

The square root of 42741029 is about 6537.6623498006. The cubic root of 42741029 is about 349.6350727022.

The spelling of 42741029 in words is "forty-two million, seven hundred forty-one thousand, twenty-nine".