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26384164 = 2215742013
BaseRepresentation
bin110010010100…
…1011100100100
31211122110021021
41210221130210
523223243124
62341300524
7440155522
oct144513444
954573237
1026384164
11139908a4
128a04744
13560a241
14370b312
1524b27e4
hex1929724

26384164 has 12 divisors (see below), whose sum is σ = 46467484. Its totient is φ = 13107744.

The previous prime is 26384161. The next prime is 26384173. The reversal of 26384164 is 46148362.

It can be written as a sum of positive squares in 2 ways, for example, as 13838400 + 12545764 = 3720^2 + 3542^2 .

It is a super-2 number, since 2×263841642 = 1392248219957792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26384161) 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 3 ways as a sum of consecutive naturals, for example, 20379 + ... + 21634.

Almost surely, 226384164 is an apocalyptic number.

It is an amenable number.

26384164 is a deficient number, since it is larger than the sum of its proper divisors (20083320).

26384164 is a wasteful number, since it uses less digits than its factorization.

26384164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42174 (or 42172 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 26384164 is about 5136.5517616393. The cubic root of 26384164 is about 297.7015614987.

The spelling of 26384164 in words is "twenty-six million, three hundred eighty-four thousand, one hundred sixty-four".

Divisors: 1 2 4 157 314 628 42013 84026 168052 6596041 13192082 26384164