Search a number
-
+
28665014 = 272047501
BaseRepresentation
bin110110101011…
…0010010110110
31222221100000012
41231112102312
524314240024
62502220222
7465435320
oct155262266
958840005
1028665014
11151a94a4
129724672
135c28461
143b42610
1527b350e
hex1b564b6

28665014 has 8 divisors (see below), whose sum is σ = 49140048. Its totient is φ = 12285000.

The previous prime is 28664981. The next prime is 28665019. The reversal of 28665014 is 41056682.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28665019) 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, 1023737 + ... + 1023764.

It is an arithmetic number, because the mean of its divisors is an integer number (6142506).

Almost surely, 228665014 is an apocalyptic number.

28665014 is a deficient number, since it is larger than the sum of its proper divisors (20475034).

28665014 is a wasteful number, since it uses less digits than its factorization.

28665014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047510.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 28665014 is about 5353.9717967132. The cubic root of 28665014 is about 306.0441290822.

The spelling of 28665014 in words is "twenty-eight million, six hundred sixty-five thousand, fourteen".

Divisors: 1 2 7 14 2047501 4095002 14332507 28665014