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13003884 = 2232361219
BaseRepresentation
bin110001100110…
…110001101100
3220110122222100
4301212301230
511312111014
61142415100
7215350125
oct61466154
926418870
1013003884
117382013
124431490
132903c0a
141a2704c
15121d009
hexc66c6c

13003884 has 18 divisors (see below), whose sum is σ = 32871020. Its totient is φ = 4334616.

The previous prime is 13003883. The next prime is 13003889. The reversal of 13003884 is 48830031.

13003884 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×130038843 (a number of 22 digits) contains 333 as substring.

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 (13003883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180574 + ... + 180645.

Almost surely, 213003884 is an apocalyptic number.

It is an amenable number.

13003884 is an abundant number, since it is smaller than the sum of its proper divisors (19867136).

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

13003884 is a wasteful number, since it uses less digits than its factorization.

13003884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361229 (or 361224 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 13003884 is about 3606.0898491302. The cubic root of 13003884 is about 235.1568833222.

It can be divided in two parts, 1300 and 3884, that added together give a square (5184 = 722).

The spelling of 13003884 in words is "thirteen million, three thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 361219 722438 1083657 1444876 2167314 3250971 4334628 6501942 13003884