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14918028 = 2231243169
BaseRepresentation
bin111000111010…
…000110001100
31001001220200120
4320322012030
512304334103
61251424540
7240541536
oct70720614
931056616
1014918028
11846a154
124bb5150
133124248
141da4856
15149a253
hexe3a18c

14918028 has 12 divisors (see below), whose sum is σ = 34808760. Its totient is φ = 4972672.

The previous prime is 14918017. The next prime is 14918041. The reversal of 14918028 is 82081941.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 14918028.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 621573 + ... + 621596.

It is an arithmetic number, because the mean of its divisors is an integer number (2900730).

Almost surely, 214918028 is an apocalyptic number.

It is an amenable number.

14918028 is an abundant number, since it is smaller than the sum of its proper divisors (19890732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14918028 is a wasteful number, since it uses less digits than its factorization.

14918028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243176 (or 1243174 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 14918028 is about 3862.3863090064. The cubic root of 14918028 is about 246.1711414030.

Adding to 14918028 its reverse (82081941), we get a palindrome (96999969).

The spelling of 14918028 in words is "fourteen million, nine hundred eighteen thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 1243169 2486338 3729507 4972676 7459014 14918028