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42701237 is a prime number
BaseRepresentation
bin1010001011100…
…1000110110101
32222100110002022
42202321012311
541412414422
64123122525
71025645255
oct242710665
988313068
1042701237
1122116087
1212373445
138b01207
145957965
153b37342
hex28b91b5

42701237 has 2 divisors, whose sum is σ = 42701238. Its totient is φ = 42701236.

The previous prime is 42701207. The next prime is 42701357. The reversal of 42701237 is 73210724.

42701237 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., 37834801 + 4866436 = 6151^2 + 2206^2 .

It is a cyclic number.

It is not a de Polignac number, because 42701237 - 26 = 42701173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42701207) 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, 21350618 + 21350619.

It is an arithmetic number, because the mean of its divisors is an integer number (21350619).

Almost surely, 242701237 is an apocalyptic number.

It is an amenable number.

42701237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42701237 is an equidigital number, since it uses as much as digits as its factorization.

42701237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 42701237 is about 6534.6183515183. The cubic root of 42701237 is about 349.5265353167.

The spelling of 42701237 in words is "forty-two million, seven hundred one thousand, two hundred thirty-seven".