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83485939 = 731143643
BaseRepresentation
bin1001111100111…
…10010011110011
312211002112011211
410332132103303
5132333022224
612141220551
72032422145
oct476362363
9184075154
1083485939
1143142249
1223b61757
13143b0c84
14b132c95
1574e1894
hex4f9e4f3

83485939 has 4 divisors (see below), whose sum is σ = 84629656. Its totient is φ = 82342224.

The previous prime is 83485933. The next prime is 83485951. The reversal of 83485939 is 93958438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83485939 - 27 = 83485811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83485892 and 83485901.

It is not an unprimeable number, because it can be changed into a prime (83485933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571749 + ... + 571894.

It is an arithmetic number, because the mean of its divisors is an integer number (21157414).

Almost surely, 283485939 is an apocalyptic number.

83485939 is a deficient number, since it is larger than the sum of its proper divisors (1143717).

83485939 is a wasteful number, since it uses less digits than its factorization.

83485939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143716.

The product of its digits is 933120, while the sum is 49.

The square root of 83485939 is about 9137.0640251669. The cubic root of 83485939 is about 437.0566964370.

The spelling of 83485939 in words is "eighty-three million, four hundred eighty-five thousand, nine hundred thirty-nine".

Divisors: 1 73 1143643 83485939