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13105376 = 25409543
BaseRepresentation
bin110001111111…
…100011100000
3220122211012022
4301333203200
511323333001
61144521012
7216252044
oct61774340
926584168
1013105376
117441299
124480168
13293b17b
141a52024
15123d11b
hexc7f8e0

13105376 has 12 divisors (see below), whose sum is σ = 25801272. Its totient is φ = 6552672.

The previous prime is 13105373. The next prime is 13105387. The reversal of 13105376 is 67350131.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204740 + ... + 204803.

It is an arithmetic number, because the mean of its divisors is an integer number (2150106).

Almost surely, 213105376 is an apocalyptic number.

13105376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13105376 is a deficient number, since it is larger than the sum of its proper divisors (12695896).

13105376 is an equidigital number, since it uses as much as digits as its factorization.

13105376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409553 (or 409545 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13105376 is about 3620.1348041199. The cubic root of 13105376 is about 235.7670784371.

The spelling of 13105376 in words is "thirteen million, one hundred five thousand, three hundred seventy-six".

Divisors: 1 2 4 8 16 32 409543 819086 1638172 3276344 6552688 13105376