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84050305 = 516810061
BaseRepresentation
bin1010000001010…
…00000110000001
312212011012100021
411000220012001
5133004102210
612201253441
72040262423
oct500500601
9185135307
1084050305
1143498269
1224194281
131454ab11
14b23c813
1575a3bda
hex5028181

84050305 has 4 divisors (see below), whose sum is σ = 100860372. Its totient is φ = 67240240.

The previous prime is 84050299. The next prime is 84050311. The reversal of 84050305 is 50305048.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (84050299) and next prime (84050311).

It can be written as a sum of positive squares in 2 ways, for example, as 15872256 + 68178049 = 3984^2 + 8257^2 .

It is not a de Polignac number, because 84050305 - 211 = 84048257 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 84050305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8405026 + ... + 8405035.

It is an arithmetic number, because the mean of its divisors is an integer number (25215093).

Almost surely, 284050305 is an apocalyptic number.

It is an amenable number.

84050305 is a deficient number, since it is larger than the sum of its proper divisors (16810067).

84050305 is a wasteful number, since it uses less digits than its factorization.

84050305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16810066.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 84050305 is about 9167.8953418983. The cubic root of 84050305 is about 438.0393218244.

The spelling of 84050305 in words is "eighty-four million, fifty thousand, three hundred five".

Divisors: 1 5 16810061 84050305