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84315894 = 23131080973
BaseRepresentation
bin1010000011010…
…00111011110110
312212122200122220
411001220323312
5133041102034
612211103210
72042446635
oct501507366
9185580586
1084315894
1143659863
12242a1b06
1314611980
14b2ab51c
157607749
hex5068ef6

84315894 has 16 divisors (see below), whose sum is σ = 181603632. Its totient is φ = 25943328.

The previous prime is 84315883. The next prime is 84315899. The reversal of 84315894 is 49851348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84315899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540409 + ... + 540564.

It is an arithmetic number, because the mean of its divisors is an integer number (11350227).

Almost surely, 284315894 is an apocalyptic number.

84315894 is an abundant number, since it is smaller than the sum of its proper divisors (97287738).

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

84315894 is a wasteful number, since it uses less digits than its factorization.

84315894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080991.

The product of its digits is 138240, while the sum is 42.

The square root of 84315894 is about 9182.3686486658. The cubic root of 84315894 is about 438.5002208124.

The spelling of 84315894 in words is "eighty-four million, three hundred fifteen thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 78 1080973 2161946 3242919 6485838 14052649 28105298 42157947 84315894