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84271130 = 258427113
BaseRepresentation
bin1010000010111…
…10000000011010
312212120102020222
411001132000122
5133033134010
612210120042
72042202266
oct501360032
9185512228
1084271130
1143629169
1224280022
13145c7498
14b2990a6
1575e9355
hex505e01a

84271130 has 8 divisors (see below), whose sum is σ = 151688052. Its totient is φ = 33708448.

The previous prime is 84271097. The next prime is 84271133. The reversal of 84271130 is 3117248.

It can be written as a sum of positive squares in 2 ways, for example, as 81198121 + 3073009 = 9011^2 + 1753^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 84271130.

It is not an unprimeable number, because it can be changed into a prime (84271133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213547 + ... + 4213566.

Almost surely, 284271130 is an apocalyptic number.

84271130 is a deficient number, since it is larger than the sum of its proper divisors (67416922).

84271130 is a wasteful number, since it uses less digits than its factorization.

84271130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427120.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 84271130 is about 9179.9308276261. The cubic root of 84271130 is about 438.4226059535.

Adding to 84271130 its reverse (3117248), we get a palindrome (87388378).

The spelling of 84271130 in words is "eighty-four million, two hundred seventy-one thousand, one hundred thirty".

Divisors: 1 2 5 10 8427113 16854226 42135565 84271130