Search a number
-
+
14228487 = 337135791
BaseRepresentation
bin110110010001…
…110000000111
3222202212211000
4312101300013
512120302422
61224544343
7231640320
oct66216007
928685730
1014228487
118039089
1249220b3
132c42430
141c65447
1513b0cac
hexd91c07

14228487 has 32 divisors (see below), whose sum is σ = 25948160. Its totient is φ = 7503840.

The previous prime is 14228483. The next prime is 14228497. The reversal of 14228487 is 78482241.

It is not a de Polignac number, because 14228487 - 22 = 14228483 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14228483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439 + ... + 5352.

It is an arithmetic number, because the mean of its divisors is an integer number (810880).

Almost surely, 214228487 is an apocalyptic number.

14228487 is a deficient number, since it is larger than the sum of its proper divisors (11719673).

14228487 is a wasteful number, since it uses less digits than its factorization.

14228487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820 (or 5814 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 14228487 is about 3772.0666749144. The cubic root of 14228487 is about 242.3183150410.

The spelling of 14228487 in words is "fourteen million, two hundred twenty-eight thousand, four hundred eighty-seven".

Divisors: 1 3 7 9 13 21 27 39 63 91 117 189 273 351 819 2457 5791 17373 40537 52119 75283 121611 156357 225849 364833 526981 677547 1094499 1580943 2032641 4742829 14228487