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13728848 = 247122579
BaseRepresentation
bin110100010111…
…110001010000
3221211111102212
4310113301100
512003310343
61210131252
7224456540
oct64276120
927744385
1013728848
117827761
124720b28
132ac8ba3
141b75320
151312c18
hexd17c50

13728848 has 20 divisors (see below), whose sum is σ = 30399840. Its totient is φ = 5883744.

The previous prime is 13728823. The next prime is 13728881. The reversal of 13728848 is 84882731.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 61178 + ... + 61401.

It is an arithmetic number, because the mean of its divisors is an integer number (1519992).

Almost surely, 213728848 is an apocalyptic number.

It is an amenable number.

13728848 is an abundant number, since it is smaller than the sum of its proper divisors (16670992).

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

13728848 is a wasteful number, since it uses less digits than its factorization.

13728848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122594 (or 122588 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 13728848 is about 3705.2460107259. The cubic root of 13728848 is about 239.4480836093.

The spelling of 13728848 in words is "thirteen million, seven hundred twenty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 122579 245158 490316 858053 980632 1716106 1961264 3432212 6864424 13728848