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18214302 = 233035717
BaseRepresentation
bin100010101111…
…0110110011110
31021021101022210
41011132312132
514130324202
61450221250
7310550631
oct105366636
937241283
1018214302
11a310747
126124826
133a096c2
1425c1c18
1518ebc6c
hex115ed9e

18214302 has 8 divisors (see below), whose sum is σ = 36428616. Its totient is φ = 6071432.

The previous prime is 18214297. The next prime is 18214363. The reversal of 18214302 is 20341281.

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

18214302 is an admirable number.

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, 1517853 + ... + 1517864.

It is an arithmetic number, because the mean of its divisors is an integer number (4553577).

Almost surely, 218214302 is an apocalyptic number.

18214302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18214302 is a wasteful number, since it uses less digits than its factorization.

18214302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035722.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 18214302 is about 4267.8216926203. The cubic root of 18214302 is about 263.1100947694.

Adding to 18214302 its reverse (20341281), we get a palindrome (38555583).

The spelling of 18214302 in words is "eighteen million, two hundred fourteen thousand, three hundred two".

Divisors: 1 2 3 6 3035717 6071434 9107151 18214302