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84127300 = 2252841273
BaseRepresentation
bin1010000001110…
…10111001000100
312212022002221221
411000322321010
5133014033200
612203050124
72041033045
oct500727104
9185262857
1084127300
11435400a4
1224210944
1314576b8a
14b25c8cc
1575bb91a
hex503ae44

84127300 has 18 divisors (see below), whose sum is σ = 182556458. Its totient is φ = 33650880.

The previous prime is 84127297. The next prime is 84127301. The reversal of 84127300 is 372148.

It can be written as a sum of positive squares in 3 ways, for example, as 75076 + 84052224 = 274^2 + 9168^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (84127301) 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 5 ways as a sum of consecutive naturals, for example, 420537 + ... + 420736.

Almost surely, 284127300 is an apocalyptic number.

It is an amenable number.

84127300 is an abundant number, since it is smaller than the sum of its proper divisors (98429158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84127300 is a wasteful number, since it uses less digits than its factorization.

84127300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841287 (or 841280 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 84127300 is about 9172.0935450965. The cubic root of 84127300 is about 438.1730375566.

Adding to 84127300 its reverse (372148), we get a palindrome (84499448).

The spelling of 84127300 in words is "eighty-four million, one hundred twenty-seven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 841273 1682546 3365092 4206365 8412730 16825460 21031825 42063650 84127300