Search a number
-
+
28964086 = 279183317
BaseRepresentation
bin110111001111…
…1010011110110
32000111112020221
41232133103312
524403322321
62512444554
7501122254
oct156372366
960445227
1028964086
1115393168
12984975a
136001618
143bbd5d4
152821e41
hex1b9f4f6

28964086 has 8 divisors (see below), whose sum is σ = 43996320. Its totient is φ = 14298648.

The previous prime is 28964083. The next prime is 28964087. The reversal of 28964086 is 68046982.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28964083) 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 3 ways as a sum of consecutive naturals, for example, 91501 + ... + 91816.

It is an arithmetic number, because the mean of its divisors is an integer number (5499540).

Almost surely, 228964086 is an apocalyptic number.

28964086 is a deficient number, since it is larger than the sum of its proper divisors (15032234).

28964086 is a wasteful number, since it uses less digits than its factorization.

28964086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183398.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 28964086 is about 5381.8292429248. The cubic root of 28964086 is about 307.1048035268.

The spelling of 28964086 in words is "twenty-eight million, nine hundred sixty-four thousand, eighty-six".

Divisors: 1 2 79 158 183317 366634 14482043 28964086