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13283724 = 2231106977
BaseRepresentation
bin110010101011…
…000110001100
3220222212211210
4302223012030
511400034344
61152414420
7220624026
oct62530614
926885753
1013283724
117553293
124547410
1329a13bc
141a9b016
151275db9
hexcab18c

13283724 has 12 divisors (see below), whose sum is σ = 30995384. Its totient is φ = 4427904.

The previous prime is 13283723. The next prime is 13283731. The reversal of 13283724 is 42738231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13283691 and 13283700.

It is not an unprimeable number, because it can be changed into a prime (13283723) by changing a digit.

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, 553477 + ... + 553500.

Almost surely, 213283724 is an apocalyptic number.

It is an amenable number.

13283724 is an abundant number, since it is smaller than the sum of its proper divisors (17711660).

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

13283724 is a wasteful number, since it uses less digits than its factorization.

13283724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106984 (or 1106982 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 13283724 is about 3644.6843484724. The cubic root of 13283724 is about 236.8317629584.

The spelling of 13283724 in words is "thirteen million, two hundred eighty-three thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 1106977 2213954 3320931 4427908 6641862 13283724