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84338725 = 5237731249
BaseRepresentation
bin1010000011011…
…10100000100101
312212200211222111
411001232200211
5133042314400
612211401021
72042603332
oct501564045
9185624874
1084338725
1143674a29
12242b3171
131461c193
14b2b5989
15760e3ba
hex506e825

84338725 has 24 divisors (see below), whose sum is σ = 108965000. Its totient is φ = 64696320.

The previous prime is 84338719. The next prime is 84338731. The reversal of 84338725 is 52783348.

It is an interprime number because it is at equal distance from previous prime (84338719) and next prime (84338731).

It can be written as a sum of positive squares in 12 ways, for example, as 8282884 + 76055841 = 2878^2 + 8721^2 .

It is not a de Polignac number, because 84338725 - 29 = 84338213 is a prime.

It is a super-2 number, since 2×843387252 = 14226041069251250, which contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 66901 + ... + 68149.

Almost surely, 284338725 is an apocalyptic number.

It is an amenable number.

84338725 is a deficient number, since it is larger than the sum of its proper divisors (24626275).

84338725 is a wasteful number, since it uses less digits than its factorization.

84338725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1364 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 84338725 is about 9183.6117622643. The cubic root of 84338725 is about 438.5397961704.

The spelling of 84338725 in words is "eighty-four million, three hundred thirty-eight thousand, seven hundred twenty-five".

Divisors: 1 5 25 37 73 185 365 925 1249 1825 2701 6245 13505 31225 46213 67525 91177 231065 455885 1155325 2279425 3373549 16867745 84338725