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84494453 = 160752579
BaseRepresentation
bin1010000100101…
…00100001110101
312212222202121012
411002110201311
5133112310303
612215002005
72044122341
oct502244165
9185882535
1084494453
1143770a2a
1224369305
1314675024
14b316621
1576405d8
hex5094875

84494453 has 4 divisors (see below), whose sum is σ = 84548640. Its totient is φ = 84440268.

The previous prime is 84494447. The next prime is 84494467. The reversal of 84494453 is 35449448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-84494453 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 84494453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84494413) 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 3 ways as a sum of consecutive naturals, for example, 24683 + ... + 27896.

It is an arithmetic number, because the mean of its divisors is an integer number (21137160).

Almost surely, 284494453 is an apocalyptic number.

It is an amenable number.

84494453 is a deficient number, since it is larger than the sum of its proper divisors (54187).

84494453 is a wasteful number, since it uses less digits than its factorization.

84494453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54186.

The product of its digits is 276480, while the sum is 41.

The square root of 84494453 is about 9192.0864334492. The cubic root of 84494453 is about 438.8095454663.

It can be divided in two parts, 8449445 and 3, that added together give a palindrome (8449448).

The spelling of 84494453 in words is "eighty-four million, four hundred ninety-four thousand, four hundred fifty-three".

Divisors: 1 1607 52579 84494453