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28888862 = 243335917
BaseRepresentation
bin110111000110…
…0111100011110
32000100201001212
41232030330132
524343420422
62511104422
7500360042
oct156147436
960321055
1028888862
11153416a2
129812112
135ca6302
143ba0022
1528099e2
hex1b8cf1e

28888862 has 8 divisors (see below), whose sum is σ = 44341176. Its totient is φ = 14108472.

The previous prime is 28888841. The next prime is 28888877. The reversal of 28888862 is 26888882.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28888862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167873 + ... + 168044.

It is an arithmetic number, because the mean of its divisors is an integer number (5542647).

Almost surely, 228888862 is an apocalyptic number.

28888862 is a deficient number, since it is larger than the sum of its proper divisors (15452314).

28888862 is a wasteful number, since it uses less digits than its factorization.

28888862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335962.

The product of its digits is 786432, while the sum is 50.

The square root of 28888862 is about 5374.8359974980. The cubic root of 28888862 is about 306.8387075518.

The spelling of 28888862 in words is "twenty-eight million, eight hundred eighty-eight thousand, eight hundred sixty-two".

Divisors: 1 2 43 86 335917 671834 14444431 28888862