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13003768 = 231625471
BaseRepresentation
bin110001100110…
…101111111000
3220110122211001
4301212233320
511312110033
61142414344
7215346601
oct61465770
926418731
1013003768
117381a18
1244313b4
132903b4b
141a26da8
15121ce7d
hexc66bf8

13003768 has 8 divisors (see below), whose sum is σ = 24382080. Its totient is φ = 6501880.

The previous prime is 13003747. The next prime is 13003801. The reversal of 13003768 is 86730031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812728 + ... + 812743.

It is an arithmetic number, because the mean of its divisors is an integer number (3047760).

Almost surely, 213003768 is an apocalyptic number.

It is an amenable number.

13003768 is a deficient number, since it is larger than the sum of its proper divisors (11378312).

13003768 is a wasteful number, since it uses less digits than its factorization.

13003768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625477 (or 1625473 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13003768 is about 3606.0737651912. The cubic root of 13003768 is about 235.1561840881.

Adding to 13003768 its reverse (86730031), we get a palindrome (99733799).

The spelling of 13003768 in words is "thirteen million, three thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 1625471 3250942 6501884 13003768