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84715201 = 283467641
BaseRepresentation
bin1010000110010…
…10011011000001
312220101222102001
411003022123001
5133141341301
612223424001
72046032044
oct503123301
9186358361
1084715201
114390186a
1224455001
131472164c
14b372c5b
157685c01
hex50ca6c1

84715201 has 8 divisors (see below), whose sum is σ = 85329504. Its totient is φ = 84103680.

The previous prime is 84715181. The next prime is 84715231. The reversal of 84715201 is 10251748.

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 84715201 - 27 = 84715073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84715201.

It is not an unprimeable number, because it can be changed into a prime (84715231) 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, 131841 + ... + 132481.

It is an arithmetic number, because the mean of its divisors is an integer number (10666188).

Almost surely, 284715201 is an apocalyptic number.

It is an amenable number.

84715201 is a deficient number, since it is larger than the sum of its proper divisors (614303).

84715201 is a wasteful number, since it uses less digits than its factorization.

84715201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 84715201 is about 9204.0861034651. The cubic root of 84715201 is about 439.1913539422.

Adding to 84715201 its reverse (10251748), we get a palindrome (94966949).

The spelling of 84715201 in words is "eighty-four million, seven hundred fifteen thousand, two hundred one".

Divisors: 1 283 467 641 132161 181403 299347 84715201