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42853429 is a prime number
BaseRepresentation
bin1010001101111…
…0010000110101
32222122011212001
42203132100311
541432302204
64130255301
71030151053
oct243362065
988564761
1042853429
112220a463
1212427531
138b55578
1459971d3
153b674a4
hex28de435

42853429 has 2 divisors, whose sum is σ = 42853430. Its totient is φ = 42853428.

The previous prime is 42853427. The next prime is 42853441. The reversal of 42853429 is 92435824.

It is a happy number.

42853429 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 can be written as a sum of positive squares in only one way, i.e., 35724529 + 7128900 = 5977^2 + 2670^2 .

It is a cyclic number.

It is not a de Polignac number, because 42853429 - 21 = 42853427 is a prime.

Together with 42853427, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p2596285 and since 42853429 and 2596285 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42853427) 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, 21426714 + 21426715.

It is an arithmetic number, because the mean of its divisors is an integer number (21426715).

Almost surely, 242853429 is an apocalyptic number.

It is an amenable number.

42853429 is a deficient number, since it is larger than the sum of its proper divisors (1).

42853429 is an equidigital number, since it uses as much as digits as its factorization.

42853429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 42853429 is about 6546.2530504098. The cubic root of 42853429 is about 349.9412935549.

It can be divided in two parts, 42 and 853429, that added together give a triangular number (853471 = T1306).

The spelling of 42853429 in words is "forty-two million, eight hundred fifty-three thousand, four hundred twenty-nine".