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42058243 is a prime number
BaseRepresentation
bin1010000001110…
…0001000000011
32221010210001201
42200130020003
541231330433
64101242031
71020326533
oct240341003
987123051
1042058243
1121816a87
1212103317
138937646
14582b4c3
153a5ba7d
hex281c203

42058243 has 2 divisors, whose sum is σ = 42058244. Its totient is φ = 42058242.

The previous prime is 42058241. The next prime is 42058249. The reversal of 42058243 is 34285024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42058243 - 21 = 42058241 is a prime.

Together with 42058241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42058241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21029121 + 21029122.

It is an arithmetic number, because the mean of its divisors is an integer number (21029122).

Almost surely, 242058243 is an apocalyptic number.

42058243 is a deficient number, since it is larger than the sum of its proper divisors (1).

42058243 is an equidigital number, since it uses as much as digits as its factorization.

42058243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 42058243 is about 6485.2326866505. The cubic root of 42058243 is about 347.7632682254.

The spelling of 42058243 in words is "forty-two million, fifty-eight thousand, two hundred forty-three".