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42286171 is a prime number
BaseRepresentation
bin1010000101001…
…1110001011011
32221120100201111
42201103301123
541311124141
64110201151
71022266204
oct241236133
987510644
1042286171
1121962254
12121b31b7
1389b7305
14588a5ab
153aa4381
hex2853c5b

42286171 has 2 divisors, whose sum is σ = 42286172. Its totient is φ = 42286170.

The previous prime is 42286169. The next prime is 42286177. The reversal of 42286171 is 17168224.

42286171 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 42286171 - 21 = 42286169 is a prime.

It is a super-3 number, since 3×422861713 (a number of 24 digits) contains 333 as substring.

Together with 42286169, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42286177) 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, 21143085 + 21143086.

It is an arithmetic number, because the mean of its divisors is an integer number (21143086).

Almost surely, 242286171 is an apocalyptic number.

42286171 is a deficient number, since it is larger than the sum of its proper divisors (1).

42286171 is an equidigital number, since it uses as much as digits as its factorization.

42286171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 42286171 is about 6502.7817893575. The cubic root of 42286171 is about 348.3903528116.

The spelling of 42286171 in words is "forty-two million, two hundred eighty-six thousand, one hundred seventy-one".