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18364368 = 2431134781
BaseRepresentation
bin100011000001…
…1011111010000
31021120000011210
41012003133100
514200124433
61453340120
7312044301
oct106033720
937500153
1018364368
11a403470
126197640
133a5cab9
1426207a8
15192b463
hex11837d0

18364368 has 40 divisors (see below), whose sum is σ = 51755616. Its totient is φ = 5564800.

The previous prime is 18364343. The next prime is 18364387. The reversal of 18364368 is 86346381.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16863 + ... + 17918.

Almost surely, 218364368 is an apocalyptic number.

It is an amenable number.

18364368 is an abundant number, since it is smaller than the sum of its proper divisors (33391248).

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

18364368 is a wasteful number, since it uses less digits than its factorization.

18364368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34803 (or 34797 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 18364368 is about 4285.3667287643. The cubic root of 18364368 is about 263.8306995334.

The spelling of 18364368 in words is "eighteen million, three hundred sixty-four thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 34781 69562 104343 139124 208686 278248 382591 417372 556496 765182 834744 1147773 1530364 1669488 2295546 3060728 4591092 6121456 9182184 18364368