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28928846 = 288316381
BaseRepresentation
bin110111001011…
…0101101001110
32000102201220202
41232112231032
524401210341
62512013502
7500614442
oct156265516
960381822
1028928846
1115369741
129831292
135cbb57b
143bb0822
15281679b
hex1b96b4e

28928846 has 8 divisors (see below), whose sum is σ = 43445064. Its totient is φ = 14447160.

The previous prime is 28928843. The next prime is 28928891. The reversal of 28928846 is 64882982.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28928846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28928843) 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, 6425 + ... + 9956.

It is an arithmetic number, because the mean of its divisors is an integer number (5430633).

Almost surely, 228928846 is an apocalyptic number.

28928846 is a deficient number, since it is larger than the sum of its proper divisors (14516218).

28928846 is a wasteful number, since it uses less digits than its factorization.

28928846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17266.

The product of its digits is 442368, while the sum is 47.

The square root of 28928846 is about 5378.5542667152. The cubic root of 28928846 is about 306.9802036417.

The spelling of 28928846 in words is "twenty-eight million, nine hundred twenty-eight thousand, eight hundred forty-six".

Divisors: 1 2 883 1766 16381 32762 14464423 28928846