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84253443 = 331905951
BaseRepresentation
bin1010000010110…
…01101100000011
312212112111222220
411001121230003
5133032102233
612205502123
72042066601
oct501315403
9185474886
1084253443
114361694a
1224271943
13145bc411
14b292871
1575e3eb3
hex5059b03

84253443 has 8 divisors (see below), whose sum is σ = 115961856. Its totient is φ = 54357000.

The previous prime is 84253441. The next prime is 84253453. The reversal of 84253443 is 34435248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84253443 - 21 = 84253441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84253441) 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, 452883 + ... + 453068.

It is an arithmetic number, because the mean of its divisors is an integer number (14495232).

Almost surely, 284253443 is an apocalyptic number.

84253443 is a deficient number, since it is larger than the sum of its proper divisors (31708413).

84253443 is a wasteful number, since it uses less digits than its factorization.

84253443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905985.

The product of its digits is 46080, while the sum is 33.

The square root of 84253443 is about 9178.9674255877. The cubic root of 84253443 is about 438.3919314580.

It can be divided in two parts, 842 and 53443, that added together give a triangular number (54285 = T329).

The spelling of 84253443 in words is "eighty-four million, two hundred fifty-three thousand, four hundred forty-three".

Divisors: 1 3 31 93 905951 2717853 28084481 84253443