Search a number
-
+
28830910 = 252883091
BaseRepresentation
bin110110111111…
…0110010111110
32000020202120111
41231332302332
524340042120
62505540234
7500026063
oct155766276
960222514
1028830910
11153020a9
1297a467a
135c85b14
143b86c6a
1527e775a
hex1b7ecbe

28830910 has 8 divisors (see below), whose sum is σ = 51895656. Its totient is φ = 11532360.

The previous prime is 28830889. The next prime is 28830911. The reversal of 28830910 is 1903882.

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 (28830911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441536 + ... + 1441555.

It is an arithmetic number, because the mean of its divisors is an integer number (6486957).

Almost surely, 228830910 is an apocalyptic number.

28830910 is a deficient number, since it is larger than the sum of its proper divisors (23064746).

28830910 is a wasteful number, since it uses less digits than its factorization.

28830910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883098.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 28830910 is about 5369.4422429150. The cubic root of 28830910 is about 306.6333940482.

The spelling of 28830910 in words is "twenty-eight million, eight hundred thirty thousand, nine hundred ten".

Divisors: 1 2 5 10 2883091 5766182 14415455 28830910