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18241484 = 2223198277
BaseRepresentation
bin100010110010…
…1011111001100
31021022202121112
41011211133030
514132211414
61450551152
7311023112
oct105453714
937282545
1018241484
11a32a108
1261384b8
133a18ba1
1425cbab2
151904d3e
hex11657cc

18241484 has 12 divisors (see below), whose sum is σ = 33310704. Its totient is φ = 8724144.

The previous prime is 18241471. The next prime is 18241511. The reversal of 18241484 is 48414281.

It is a self number, because there is not a number n which added to its sum of digits gives 18241484.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99047 + ... + 99230.

It is an arithmetic number, because the mean of its divisors is an integer number (2775892).

Almost surely, 218241484 is an apocalyptic number.

It is an amenable number.

18241484 is a deficient number, since it is larger than the sum of its proper divisors (15069220).

18241484 is a wasteful number, since it uses less digits than its factorization.

18241484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198304 (or 198302 counting only the distinct ones).

The product of its digits is 8192, while the sum is 32.

The square root of 18241484 is about 4271.0050339469. The cubic root of 18241484 is about 263.2409132852.

The spelling of 18241484 in words is "eighteen million, two hundred forty-one thousand, four hundred eighty-four".

Divisors: 1 2 4 23 46 92 198277 396554 793108 4560371 9120742 18241484