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84456697 = 1317472173
BaseRepresentation
bin1010000100010…
…11010011111001
312212220211210211
411002023103321
5133110103242
612214111121
72043604303
oct502132371
9185824724
1084456697
1143745626
122434b4a1
1314660aa0
14b306973
157634317
hex508b4f9

84456697 has 24 divisors (see below), whose sum is σ = 98964936. Its totient is φ = 71397888.

The previous prime is 84456689. The next prime is 84456703. The reversal of 84456697 is 79665448.

It can be written as a sum of positive squares in 4 ways, for example, as 25765776 + 58690921 = 5076^2 + 7661^2 .

It is not a de Polignac number, because 84456697 - 23 = 84456689 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 84456697.

It is not an unprimeable number, because it can be changed into a prime (84456637) 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 23 ways as a sum of consecutive naturals, for example, 488103 + ... + 488275.

It is an arithmetic number, because the mean of its divisors is an integer number (4123539).

Almost surely, 284456697 is an apocalyptic number.

It is an amenable number.

84456697 is a deficient number, since it is larger than the sum of its proper divisors (14508239).

84456697 is a wasteful number, since it uses less digits than its factorization.

84456697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 250 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 84456697 is about 9190.0324809002. The cubic root of 84456697 is about 438.7441756464.

The spelling of 84456697 in words is "eighty-four million, four hundred fifty-six thousand, six hundred ninety-seven".

Divisors: 1 13 17 47 173 221 611 799 2209 2249 2941 8131 10387 28717 37553 38233 105703 138227 382157 488189 1796951 4968041 6496669 84456697