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28340335 = 537153191
BaseRepresentation
bin110110000011…
…1000001101111
31222022211122001
41230013001233
524223342320
62451233131
7462613612
oct154070157
958284561
1028340335
1114aa7571
1295a87a7
135b4373a
143a9a179
15274c20a
hex1b0706f

28340335 has 8 divisors (see below), whose sum is σ = 34927776. Its totient is φ = 22059360.

The previous prime is 28340329. The next prime is 28340383. The reversal of 28340335 is 53304382.

28340335 = 2412 + 2422 + ... + 4622.

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

It is not a de Polignac number, because 28340335 - 217 = 28209263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 76411 + ... + 76780.

It is an arithmetic number, because the mean of its divisors is an integer number (4365972).

Almost surely, 228340335 is an apocalyptic number.

28340335 is a deficient number, since it is larger than the sum of its proper divisors (6587441).

28340335 is a wasteful number, since it uses less digits than its factorization.

28340335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153233.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 28340335 is about 5323.5641256587. The cubic root of 28340335 is about 304.8842524154.

The spelling of 28340335 in words is "twenty-eight million, three hundred forty thousand, three hundred thirty-five".

Divisors: 1 5 37 185 153191 765955 5668067 28340335