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18114672 = 2431073527
BaseRepresentation
bin100010100011…
…0100001110000
31021002022122210
41011012201300
514114132142
61444132120
7306654312
oct105064160
937068583
1018114672
11a252904
126097040
1339a3254
1425977b2
1518cc49c
hex1146870

18114672 has 40 divisors (see below), whose sum is σ = 47246976. Its totient is φ = 5980096.

The previous prime is 18114671. The next prime is 18114689. The reversal of 18114672 is 27641181.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18114671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3373 + ... + 6899.

Almost surely, 218114672 is an apocalyptic number.

18114672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18114672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23623488).

18114672 is an abundant number, since it is smaller than the sum of its proper divisors (29132304).

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

18114672 is a wasteful number, since it uses less digits than its factorization.

18114672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645 (or 3639 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The square root of 18114672 is about 4256.1334565542. The cubic root of 18114672 is about 262.6294907605.

The spelling of 18114672 in words is "eighteen million, one hundred fourteen thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 107 214 321 428 642 856 1284 1712 2568 3527 5136 7054 10581 14108 21162 28216 42324 56432 84648 169296 377389 754778 1132167 1509556 2264334 3019112 4528668 6038224 9057336 18114672