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84968897 = 1350912841
BaseRepresentation
bin1010001000010…
…00010111000001
312220212212102012
411010020113001
5133223001042
612233102305
72051136506
oct504102701
9186785365
1084968897
1143a65432
1224557995
13147acc70
14b3db4ad
1576d5e82
hex51085c1

84968897 has 8 divisors (see below), whose sum is σ = 91691880. Its totient is φ = 78272640.

The previous prime is 84968887. The next prime is 84968929. The reversal of 84968897 is 79886948.

It can be written as a sum of positive squares in 4 ways, for example, as 10042561 + 74926336 = 3169^2 + 8656^2 .

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 84968897 - 218 = 84706753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84968857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197 + ... + 13037.

It is an arithmetic number, because the mean of its divisors is an integer number (11461485).

Almost surely, 284968897 is an apocalyptic number.

It is an amenable number.

84968897 is a deficient number, since it is larger than the sum of its proper divisors (6722983).

84968897 is a wasteful number, since it uses less digits than its factorization.

84968897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13363.

The product of its digits is 6967296, while the sum is 59.

The square root of 84968897 is about 9217.8575059501. The cubic root of 84968897 is about 439.6293314209.

The spelling of 84968897 in words is "eighty-four million, nine hundred sixty-eight thousand, eight hundred ninety-seven".

Divisors: 1 13 509 6617 12841 166933 6536069 84968897