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84255130 = 2523336161
BaseRepresentation
bin1010000010110…
…10000110011010
312212112121022101
411001122012122
5133032131010
612205514014
72042104531
oct501320632
9185477271
1084255130
1143618143
122427290a
13145c010b
14b293318
1575e473a
hex505a19a

84255130 has 16 divisors (see below), whose sum is σ = 152314344. Its totient is φ = 33556480.

The previous prime is 84255089. The next prime is 84255163. The reversal of 84255130 is 3155248.

It can be written as a sum of positive squares in 4 ways, for example, as 67420521 + 16834609 = 8211^2 + 4103^2 .

It is an unprimeable number.

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, 15751 + ... + 20410.

Almost surely, 284255130 is an apocalyptic number.

84255130 is a deficient number, since it is larger than the sum of its proper divisors (68059214).

84255130 is a wasteful number, since it uses less digits than its factorization.

84255130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36401.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 84255130 is about 9179.0593199957. The cubic root of 84255130 is about 438.3948574008.

The spelling of 84255130 in words is "eighty-four million, two hundred fifty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 233 466 1165 2330 36161 72322 180805 361610 8425513 16851026 42127565 84255130