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26528829 = 382910667
BaseRepresentation
bin110010100110…
…0110000111101
31211220210201020
41211030300331
523242410304
62344334353
7441330345
oct145146075
954823636
1026528829
1113a7a558
128a743b9
13565b042
143747d25
1524e05d9
hex194cc3d

26528829 has 8 divisors (see below), whose sum is σ = 35417760. Its totient is φ = 17662896.

The previous prime is 26528813. The next prime is 26528849. The reversal of 26528829 is 92882562.

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

It is not a de Polignac number, because 26528829 - 24 = 26528813 is a prime.

It is a super-2 number, since 2×265288292 = 1407557536222482, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26528849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2847 + ... + 7820.

It is an arithmetic number, because the mean of its divisors is an integer number (4427220).

Almost surely, 226528829 is an apocalyptic number.

It is an amenable number.

26528829 is a deficient number, since it is larger than the sum of its proper divisors (8888931).

26528829 is a wasteful number, since it uses less digits than its factorization.

26528829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499.

The product of its digits is 138240, while the sum is 42.

The square root of 26528829 is about 5150.6144293667. The cubic root of 26528829 is about 298.2446716617.

The spelling of 26528829 in words is "twenty-six million, five hundred twenty-eight thousand, eight hundred twenty-nine".

Divisors: 1 3 829 2487 10667 32001 8842943 26528829