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84061670 = 25711109171
BaseRepresentation
bin1010000001010…
…10110111100110
312212011202221012
411000222313212
5133004433140
612201422222
72040340520
oct500526746
9185152835
1084061670
11434a5860
122419a972
1314553044
14b242a10
1575a7265
hex502ade6

84061670 has 32 divisors (see below), whose sum is σ = 188649216. Its totient is φ = 26200800.

The previous prime is 84061639. The next prime is 84061727. The reversal of 84061670 is 7616048.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 53816 + ... + 55355.

It is an arithmetic number, because the mean of its divisors is an integer number (5895288).

Almost surely, 284061670 is an apocalyptic number.

84061670 is an abundant number, since it is smaller than the sum of its proper divisors (104587546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84061670 is a wasteful number, since it uses less digits than its factorization.

84061670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109196.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 84061670 is about 9168.5151469581. The cubic root of 84061670 is about 438.0590643366.

The spelling of 84061670 in words is "eighty-four million, sixty-one thousand, six hundred seventy".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 109171 218342 545855 764197 1091710 1200881 1528394 2401762 3820985 6004405 7641970 8406167 12008810 16812334 42030835 84061670