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84085443 = 3213259937
BaseRepresentation
bin1010000001100…
…00101011000011
312212012222112200
411000300223003
5133011213233
612202124243
72040500031
oct500605303
9185188480
1084085443
1143511702
12241b0683
1314560b00
14b24b551
1575ae313
hex5030ac3

84085443 has 36 divisors (see below), whose sum is σ = 133890120. Its totient is φ = 50813568.

The previous prime is 84085403. The next prime is 84085453. The reversal of 84085443 is 34458048.

It is not a de Polignac number, because 84085443 - 214 = 84069059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84085398 and 84085407.

It is not an unprimeable number, because it can be changed into a prime (84085403) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 89271 + ... + 90207.

It is an arithmetic number, because the mean of its divisors is an integer number (3719170).

Almost surely, 284085443 is an apocalyptic number.

84085443 is a deficient number, since it is larger than the sum of its proper divisors (49804677).

84085443 is a wasteful number, since it uses less digits than its factorization.

84085443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 84085443 is about 9169.8115029699. The cubic root of 84085443 is about 438.1003554371.

The spelling of 84085443 in words is "eighty-four million, eighty-five thousand, four hundred forty-three".

Divisors: 1 3 9 13 39 59 117 169 177 507 531 767 937 1521 2301 2811 6903 8433 9971 12181 29913 36543 55283 89739 109629 158353 165849 475059 497547 718679 1425177 2156037 6468111 9342827 28028481 84085443