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84198401 = 714878089
BaseRepresentation
bin1010000010011…
…00010000000001
312212102201111022
411001030100001
5133023322101
612204355225
72041450250
oct501142001
9185381438
1084198401
1143589561
1224245b15
13145a0351
14b27a797
1575d2a1b
hex504c401

84198401 has 8 divisors (see below), whose sum is σ = 96303360. Its totient is φ = 72112608.

The previous prime is 84198383. The next prime is 84198427. The reversal of 84198401 is 10489148.

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 84198401 - 214 = 84182017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84198451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6365 + ... + 14453.

It is an arithmetic number, because the mean of its divisors is an integer number (12037920).

Almost surely, 284198401 is an apocalyptic number.

It is an amenable number.

84198401 is a deficient number, since it is larger than the sum of its proper divisors (12104959).

84198401 is a wasteful number, since it uses less digits than its factorization.

84198401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9583.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 84198401 is about 9175.9686682115. The cubic root of 84198401 is about 438.2964448549.

The spelling of 84198401 in words is "eighty-four million, one hundred ninety-eight thousand, four hundred one".

Divisors: 1 7 1487 8089 10409 56623 12028343 84198401