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13728411 = 327432053
BaseRepresentation
bin110100010111…
…101010011011
3221211110211200
4310113222123
512003302121
61210125243
7224455344
oct64275233
927743750
1013728411
1178273a4
124720823
132ac8928
141b750cb
151312a26
hexd17a9b

13728411 has 12 divisors (see below), whose sum is σ = 19866288. Its totient is φ = 9135504.

The previous prime is 13728409. The next prime is 13728419. The reversal of 13728411 is 11482731.

It is not a de Polignac number, because 13728411 - 21 = 13728409 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13728419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5661 + ... + 7713.

It is an arithmetic number, because the mean of its divisors is an integer number (1655524).

Almost surely, 213728411 is an apocalyptic number.

13728411 is a deficient number, since it is larger than the sum of its proper divisors (6137877).

13728411 is a wasteful number, since it uses less digits than its factorization.

13728411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802 (or 2799 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 13728411 is about 3705.1870398132. The cubic root of 13728411 is about 239.4455429756.

The spelling of 13728411 in words is "thirteen million, seven hundred twenty-eight thousand, four hundred eleven".

Divisors: 1 3 9 743 2053 2229 6159 6687 18477 1525379 4576137 13728411