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18298244 = 225478363
BaseRepresentation
bin100010111001…
…1010110000100
31021102122110202
41011303112010
514141020434
61452110032
7311350436
oct105632604
937378422
1018298244
11a368818
126165318
133a38983
142604656
151916a7e
hex1173584

18298244 has 12 divisors (see below), whose sum is σ = 32084304. Its totient is φ = 9131304.

The previous prime is 18298213. The next prime is 18298289. The reversal of 18298244 is 44289281.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18298198 and 18298207.

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, 1994 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (2673692).

Almost surely, 218298244 is an apocalyptic number.

It is an amenable number.

18298244 is a deficient number, since it is larger than the sum of its proper divisors (13786060).

18298244 is a wasteful number, since it uses less digits than its factorization.

18298244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8914 (or 8912 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 18298244 is about 4277.6446790261. The cubic root of 18298244 is about 263.5136630909.

The spelling of 18298244 in words is "eighteen million, two hundred ninety-eight thousand, two hundred forty-four".

Divisors: 1 2 4 547 1094 2188 8363 16726 33452 4574561 9149122 18298244