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84075079 = 1110970121
BaseRepresentation
bin1010000001011…
…10001001000111
312212012110022211
411000232021013
5133010400304
612202004251
72040424564
oct500561107
9185173284
1084075079
1143504940
12241a6687
131455918a
14b24786b
1575ab204
hex502e247

84075079 has 8 divisors (see below), whose sum is σ = 92561040. Its totient is φ = 75729600.

The previous prime is 84075053. The next prime is 84075091. The reversal of 84075079 is 97057048.

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 84075079 - 27 = 84074951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84075029) 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, 33862 + ... + 36259.

It is an arithmetic number, because the mean of its divisors is an integer number (11570130).

Almost surely, 284075079 is an apocalyptic number.

84075079 is a deficient number, since it is larger than the sum of its proper divisors (8485961).

84075079 is a wasteful number, since it uses less digits than its factorization.

84075079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70241.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 84075079 is about 9169.2463703404. The cubic root of 84075079 is about 438.0823552598.

The spelling of 84075079 in words is "eighty-four million, seventy-five thousand, seventy-nine".

Divisors: 1 11 109 1199 70121 771331 7643189 84075079