Search a number
-
+
28008862 = 272000633
BaseRepresentation
bin110101011011…
…0000110011110
31221200222221021
41222312012132
524132240422
62440154354
7460033330
oct152660636
957628837
1028008862
11148a0522
1294689ba
135a588bb
143a11450
1526d3dc7
hex1ab619e

28008862 has 8 divisors (see below), whose sum is σ = 48015216. Its totient is φ = 12003792.

The previous prime is 28008853. The next prime is 28008887. The reversal of 28008862 is 26880082.

It is a happy number.

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

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, 1000303 + ... + 1000330.

It is an arithmetic number, because the mean of its divisors is an integer number (6001902).

Almost surely, 228008862 is an apocalyptic number.

28008862 is a deficient number, since it is larger than the sum of its proper divisors (20006354).

28008862 is a wasteful number, since it uses less digits than its factorization.

28008862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000642.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 28008862 is about 5292.3399361719. The cubic root of 28008862 is about 303.6909298220.

The spelling of 28008862 in words is "twenty-eight million, eight thousand, eight hundred sixty-two".

Divisors: 1 2 7 14 2000633 4001266 14004431 28008862