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13004938 = 283157499
BaseRepresentation
bin110001100111…
…000010001010
3220110201102101
4301213002022
511312124223
61142424014
7215353162
oct61470212
926421371
1013004938
117382891
12443200a
13290453b
141a275a2
15121d4ad
hexc6708a

13004938 has 16 divisors (see below), whose sum is σ = 19908000. Its totient is φ = 6370416.

The previous prime is 13004933. The next prime is 13004939. The reversal of 13004938 is 83940031.

It is not an unprimeable number, because it can be changed into a prime (13004933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25813 + ... + 26311.

It is an arithmetic number, because the mean of its divisors is an integer number (1244250).

Almost surely, 213004938 is an apocalyptic number.

13004938 is a deficient number, since it is larger than the sum of its proper divisors (6903062).

13004938 is a wasteful number, since it uses less digits than its factorization.

13004938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13004938 is about 3606.2359878411. The cubic root of 13004938 is about 235.1632365179.

Adding to 13004938 its reverse (83940031), we get a palindrome (96944969).

The spelling of 13004938 in words is "thirteen million, four thousand, nine hundred thirty-eight".

Divisors: 1 2 83 157 166 314 499 998 13031 26062 41417 78343 82834 156686 6502469 13004938