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28960192 = 261074229
BaseRepresentation
bin110111001111…
…0010111000000
32000111022220201
41232132113000
524403211232
62512414544
7501105022
oct156362700
960438821
1028960192
1115390248
129847454
135ccc911
143bbc012
152820be7
hex1b9e5c0

28960192 has 28 divisors (see below), whose sum is σ = 58018680. Its totient is φ = 14341376.

The previous prime is 28960153. The next prime is 28960193. The reversal of 28960192 is 29106982.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28960193) by changing a digit.

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, 4734 + ... + 8962.

Almost surely, 228960192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28960192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29009340).

28960192 is an abundant number, since it is smaller than the sum of its proper divisors (29058488).

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

28960192 is a wasteful number, since it uses less digits than its factorization.

28960192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348 (or 4338 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 28960192 is about 5381.4674578594. The cubic root of 28960192 is about 307.0910402787.

The spelling of 28960192 in words is "twenty-eight million, nine hundred sixty thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 107 214 428 856 1712 3424 4229 6848 8458 16916 33832 67664 135328 270656 452503 905006 1810012 3620024 7240048 14480096 28960192