Search a number
-
+
28817301 = 341234287
BaseRepresentation
bin110110111101…
…1011110010101
32000020001220110
41231323132111
524334123201
62505353233
7466641312
oct155733625
960201813
1028817301
11152a2957
129798819
135c7c876
143b81d09
1527e36d6
hex1b7b795

28817301 has 8 divisors (see below), whose sum is σ = 39360384. Its totient is φ = 18742880.

The previous prime is 28817297. The next prime is 28817317. The reversal of 28817301 is 10371882.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28817301 - 22 = 28817297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28817381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117021 + ... + 117266.

It is an arithmetic number, because the mean of its divisors is an integer number (4920048).

Almost surely, 228817301 is an apocalyptic number.

It is an amenable number.

28817301 is a deficient number, since it is larger than the sum of its proper divisors (10543083).

28817301 is a wasteful number, since it uses less digits than its factorization.

28817301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234331.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 28817301 is about 5368.1748294928. The cubic root of 28817301 is about 306.5851399276.

The spelling of 28817301 in words is "twenty-eight million, eight hundred seventeen thousand, three hundred one".

Divisors: 1 3 41 123 234287 702861 9605767 28817301