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84305013 = 31312717021
BaseRepresentation
bin1010000011001…
…10010001110101
312212122010201220
411001212101311
5133040230023
612210540553
72042403132
oct501462165
9185563656
1084305013
1143651671
1224297759
1314609a30
14b2a7589
1576043e3
hex5066475

84305013 has 16 divisors (see below), whose sum is σ = 122013696. Its totient is φ = 51468480.

The previous prime is 84304967. The next prime is 84305017. The reversal of 84305013 is 31050348.

It is not a de Polignac number, because 84305013 - 26 = 84304949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84305017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3558 + ... + 13463.

It is an arithmetic number, because the mean of its divisors is an integer number (7625856).

Almost surely, 284305013 is an apocalyptic number.

It is an amenable number.

84305013 is a deficient number, since it is larger than the sum of its proper divisors (37708683).

84305013 is a wasteful number, since it uses less digits than its factorization.

84305013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17164.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 84305013 is about 9181.7761353673. The cubic root of 84305013 is about 438.4813571244.

The spelling of 84305013 in words is "eighty-four million, three hundred five thousand, thirteen".

Divisors: 1 3 13 39 127 381 1651 4953 17021 51063 221273 663819 2161667 6485001 28101671 84305013