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42214397 is a prime number
BaseRepresentation
bin1010000100001…
…0001111111101
32221102201021012
42201002033331
541301330042
64104445005
71021550021
oct241021775
987381235
1042214397
1121913335
1212179765
138990744
14586c381
153a8ce82
hex28423fd

42214397 has 2 divisors, whose sum is σ = 42214398. Its totient is φ = 42214396.

The previous prime is 42214387. The next prime is 42214411. The reversal of 42214397 is 79341224.

42214397 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., 40691641 + 1522756 = 6379^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 42214397 - 210 = 42213373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42214307) 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, 21107198 + 21107199.

It is an arithmetic number, because the mean of its divisors is an integer number (21107199).

Almost surely, 242214397 is an apocalyptic number.

It is an amenable number.

42214397 is a deficient number, since it is larger than the sum of its proper divisors (1).

42214397 is an equidigital number, since it uses as much as digits as its factorization.

42214397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 42214397 is about 6497.2607304925. The cubic root of 42214397 is about 348.1931289164.

It can be divided in two parts, 4 and 2214397, that multiplied together give a palindrome (8857588).

The spelling of 42214397 in words is "forty-two million, two hundred fourteen thousand, three hundred ninety-seven".