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84355071 = 3171654021
BaseRepresentation
bin1010000011100…
…10011111111111
312212201200101220
411001302133333
5133043330241
612212004423
72043002103
oct501623777
9185650356
1084355071
1143686239
1224300713
1314626758
14b2bb903
157614166
hex50727ff

84355071 has 8 divisors (see below), whose sum is σ = 119089584. Its totient is φ = 52928640.

The previous prime is 84355067. The next prime is 84355091. The reversal of 84355071 is 17055348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84355071 - 22 = 84355067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84355021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826960 + ... + 827061.

It is an arithmetic number, because the mean of its divisors is an integer number (14886198).

Almost surely, 284355071 is an apocalyptic number.

84355071 is a deficient number, since it is larger than the sum of its proper divisors (34734513).

84355071 is a wasteful number, since it uses less digits than its factorization.

84355071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654041.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 84355071 is about 9184.5016740159. The cubic root of 84355071 is about 438.5681260131.

The spelling of 84355071 in words is "eighty-four million, three hundred fifty-five thousand, seventy-one".

Divisors: 1 3 17 51 1654021 4962063 28118357 84355071