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18514368 = 263232143
BaseRepresentation
bin100011010100…
…0000111000000
31021211121221100
41012220013000
514214424433
61500454400
7313240515
oct106500700
937747840
1018514368
11a4a6134
12624a400
133ab3162
14265d30c
15195ab13
hex11a81c0

18514368 has 42 divisors (see below), whose sum is σ = 53069744. Its totient is φ = 6171264.

The previous prime is 18514367. The next prime is 18514373. The reversal of 18514368 is 86341581.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18514367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15496 + ... + 16647.

Almost surely, 218514368 is an apocalyptic number.

18514368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18514368 is an abundant number, since it is smaller than the sum of its proper divisors (34555376).

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

18514368 is a wasteful number, since it uses less digits than its factorization.

18514368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32161 (or 32148 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 18514368 is about 4302.8325554221. The cubic root of 18514368 is about 264.5470749055.

The spelling of 18514368 in words is "eighteen million, five hundred fourteen thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 32143 64286 96429 128572 192858 257144 289287 385716 514288 578574 771432 1028576 1157148 1542864 2057152 2314296 3085728 4628592 6171456 9257184 18514368