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84685133 = 1329224629
BaseRepresentation
bin1010000110000…
…11000101001101
312220100110011102
411003003011031
5133134411013
612223032445
72045545301
oct503030515
9186313142
1084685133
1143891215
122443b725
1314710a60
14b365d01
15767bd58
hex50c314d

84685133 has 8 divisors (see below), whose sum is σ = 94344600. Its totient is φ = 75475008.

The previous prime is 84685129. The next prime is 84685151. The reversal of 84685133 is 33158648.

It can be written as a sum of positive squares in 4 ways, for example, as 22306729 + 62378404 = 4723^2 + 7898^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84685133 - 22 = 84685129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84685163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 111938 + ... + 112691.

It is an arithmetic number, because the mean of its divisors is an integer number (11793075).

Almost surely, 284685133 is an apocalyptic number.

It is an amenable number.

84685133 is a deficient number, since it is larger than the sum of its proper divisors (9659467).

84685133 is a wasteful number, since it uses less digits than its factorization.

84685133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224671.

The product of its digits is 69120, while the sum is 38.

The square root of 84685133 is about 9202.4525535316. The cubic root of 84685133 is about 439.1393870062.

The spelling of 84685133 in words is "eighty-four million, six hundred eighty-five thousand, one hundred thirty-three".

Divisors: 1 13 29 377 224629 2920177 6514241 84685133