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84081873 = 3239117269
BaseRepresentation
bin1010000001011…
…11110011010001
312212012210122110
411000233303101
5133011104443
612202055533
72040453441
oct500576321
9185183573
1084081873
1143509a57
12241aa5a9
131455c2b5
14b24a121
1575ad233
hex502fcd1

84081873 has 8 divisors (see below), whose sum is σ = 112579200. Its totient is φ = 55819568.

The previous prime is 84081863. The next prime is 84081883. The reversal of 84081873 is 37818048.

It is an interprime number because it is at equal distance from previous prime (84081863) and next prime (84081883).

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 84081873 - 214 = 84065489 is a prime.

It is a super-2 number, since 2×840818732 = 14139522734376258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84081853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57918 + ... + 59351.

It is an arithmetic number, because the mean of its divisors is an integer number (14072400).

Almost surely, 284081873 is an apocalyptic number.

It is an amenable number.

84081873 is a deficient number, since it is larger than the sum of its proper divisors (28497327).

84081873 is a wasteful number, since it uses less digits than its factorization.

84081873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117511.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 84081873 is about 9169.6168404138. The cubic root of 84081873 is about 438.0941552343.

The spelling of 84081873 in words is "eighty-four million, eighty-one thousand, eight hundred seventy-three".

Divisors: 1 3 239 717 117269 351807 28027291 84081873