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13728984 = 233572041
BaseRepresentation
bin110100010111…
…110011011000
3221211111121220
4310113303120
512003311414
61210132040
7224460123
oct64276330
927744556
1013728984
117827875
124721020
132ac8c79
141b753ba
151312ca9
hexd17cd8

13728984 has 16 divisors (see below), whose sum is σ = 34322520. Its totient is φ = 4576320.

The previous prime is 13728971. The next prime is 13728989. The reversal of 13728984 is 48982731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13728989) by changing a digit.

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, 285997 + ... + 286044.

Almost surely, 213728984 is an apocalyptic number.

It is an amenable number.

13728984 is an abundant number, since it is smaller than the sum of its proper divisors (20593536).

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

13728984 is a wasteful number, since it uses less digits than its factorization.

13728984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572050 (or 572046 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 13728984 is about 3705.2643630381. The cubic root of 13728984 is about 239.4488742761.

The spelling of 13728984 in words is "thirteen million, seven hundred twenty-eight thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 572041 1144082 1716123 2288164 3432246 4576328 6864492 13728984