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28083095 = 520812699
BaseRepresentation
bin110101100100…
…0001110010111
31221211202202122
41223020032113
524142124340
62441530155
7460462625
oct153101627
957752678
1028083095
1114941277
1294a395b
135a83621
143a30515
1526eadb5
hex1ac8397

28083095 has 8 divisors (see below), whose sum is σ = 33728400. Its totient is φ = 22447360.

The previous prime is 28083089. The next prime is 28083101. The reversal of 28083095 is 59038082.

It is an interprime number because it is at equal distance from previous prime (28083089) and next prime (28083101).

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

It is not a de Polignac number, because 28083095 - 210 = 28082071 is a prime.

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, 9056 + ... + 11754.

It is an arithmetic number, because the mean of its divisors is an integer number (4216050).

Almost surely, 228083095 is an apocalyptic number.

28083095 is a deficient number, since it is larger than the sum of its proper divisors (5645305).

28083095 is a wasteful number, since it uses less digits than its factorization.

28083095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 28083095 is about 5299.3485448685. The cubic root of 28083095 is about 303.9589878596.

The spelling of 28083095 in words is "twenty-eight million, eighty-three thousand, ninety-five".

Divisors: 1 5 2081 2699 10405 13495 5616619 28083095