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84313810 = 2572172069
BaseRepresentation
bin1010000011010…
…00011011010010
312212122120210201
411001220123102
5133041020220
612211045414
72042440600
oct501503322
9185576721
1084313810
1143658239
12242a086a
1314610a39
14b2aa870
157606d0a
hex50686d2

84313810 has 24 divisors (see below), whose sum is σ = 176543820. Its totient is φ = 28907424.

The previous prime is 84313793. The next prime is 84313871. The reversal of 84313810 is 1831348.

It can be written as a sum of positive squares in 2 ways, for example, as 81920601 + 2393209 = 9051^2 + 1547^2 .

It is a super-2 number, since 2×843138102 = 14217637113432200, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 85545 + ... + 86524.

Almost surely, 284313810 is an apocalyptic number.

84313810 is an abundant number, since it is smaller than the sum of its proper divisors (92230010).

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

84313810 is a wasteful number, since it uses less digits than its factorization.

84313810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172090 (or 172083 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 84313810 is about 9182.2551696193. The cubic root of 84313810 is about 438.4966080417.

The spelling of 84313810 in words is "eighty-four million, three hundred thirteen thousand, eight hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 172069 344138 860345 1204483 1720690 2408966 6022415 8431381 12044830 16862762 42156905 84313810