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84206284 = 2271479619
BaseRepresentation
bin1010000010011…
…10001011001100
312212110010022021
411001032023030
5133024100114
612204455524
72041512241
oct501161314
9185403267
1084206284
1143594478
122424a5a4
13145a3b06
14b27d5c8
1575d5024
hex504e2cc

84206284 has 24 divisors (see below), whose sum is σ = 149990400. Its totient is φ = 41356560.

The previous prime is 84206257. The next prime is 84206327. The reversal of 84206284 is 48260248.

84206284 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

84206284 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135727 + ... + 136345.

It is an arithmetic number, because the mean of its divisors is an integer number (6249600).

Almost surely, 284206284 is an apocalyptic number.

It is an amenable number.

84206284 is a deficient number, since it is larger than the sum of its proper divisors (65784116).

84206284 is a wasteful number, since it uses less digits than its factorization.

84206284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 84206284 is about 9176.3982040886. The cubic root of 84206284 is about 438.3101227989.

The spelling of 84206284 in words is "eighty-four million, two hundred six thousand, two hundred eighty-four".

Divisors: 1 2 4 71 142 284 479 619 958 1238 1916 2476 34009 43949 68018 87898 136036 175796 296501 593002 1186004 21051571 42103142 84206284