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84342863 = 11234147173
BaseRepresentation
bin1010000011011…
…11100001001111
312212201001122202
411001233201033
5133042432423
612211432115
72042621363
oct501574117
9185631582
1084342863
1143678050
12242b563b
1314621027
14b2b72a3
157610728
hex506f84f

84342863 has 32 divisors (see below), whose sum is σ = 101025792. Its totient is φ = 69625600.

The previous prime is 84342833. The next prime is 84342877. The reversal of 84342863 is 36824348.

It is not a de Polignac number, because 84342863 - 212 = 84338767 is a prime.

It is a super-2 number, since 2×843428632 = 14227437078073538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84342833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487445 + ... + 487617.

It is an arithmetic number, because the mean of its divisors is an integer number (3157056).

Almost surely, 284342863 is an apocalyptic number.

84342863 is a deficient number, since it is larger than the sum of its proper divisors (16682929).

84342863 is a wasteful number, since it uses less digits than its factorization.

84342863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295.

The product of its digits is 110592, while the sum is 38.

The square root of 84342863 is about 9183.8370521259. The cubic root of 84342863 is about 438.5469682336.

The spelling of 84342863 in words is "eighty-four million, three hundred forty-two thousand, eight hundred sixty-three".

Divisors: 1 11 23 41 47 173 253 451 517 943 1081 1903 1927 3979 7093 8131 10373 11891 21197 43769 44321 78023 89441 163139 187013 333371 487531 1794529 2057143 3667081 7667533 84342863