Search a number
-
+
28892832 = 253300967
BaseRepresentation
bin110111000110…
…1111010100000
32000100220111220
41232031322200
524344032312
62511135040
7500404443
oct156157240
960326456
1028892832
1115344681
129814480
135ca8067
143ba165a
15280ac8c
hex1b8dea0

28892832 has 24 divisors (see below), whose sum is σ = 75843936. Its totient is φ = 9630912.

The previous prime is 28892803. The next prime is 28892869. The reversal of 28892832 is 23829882.

It is a tau number, because it is divible by the number of its divisors (24).

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 3 ways as a sum of consecutive naturals, for example, 150388 + ... + 150579.

It is an arithmetic number, because the mean of its divisors is an integer number (3160164).

Almost surely, 228892832 is an apocalyptic number.

It is an amenable number.

28892832 is an abundant number, since it is smaller than the sum of its proper divisors (46951104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28892832 is a wasteful number, since it uses less digits than its factorization.

28892832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300980 (or 300972 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 28892832 is about 5375.2052984049. The cubic root of 28892832 is about 306.8527624942.

The spelling of 28892832 in words is "twenty-eight million, eight hundred ninety-two thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 300967 601934 902901 1203868 1805802 2407736 3611604 4815472 7223208 9630944 14446416 28892832