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13134385 = 511475081
BaseRepresentation
bin110010000110…
…101000110001
3220201021222201
4302012220301
511330300020
61145303201
7216432445
oct62065061
926637881
1013134385
117461070
124494b01
13294b434
141a5c825
151246a0a
hexc86a31

13134385 has 16 divisors (see below), whose sum is σ = 17563392. Its totient is φ = 9347200.

The previous prime is 13134367. The next prime is 13134389. The reversal of 13134385 is 58343131.

It is not a de Polignac number, because 13134385 - 29 = 13133873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13134389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (1097712).

Almost surely, 213134385 is an apocalyptic number.

It is an amenable number.

13134385 is a deficient number, since it is larger than the sum of its proper divisors (4429007).

13134385 is a wasteful number, since it uses less digits than its factorization.

13134385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144.

The product of its digits is 4320, while the sum is 28.

The square root of 13134385 is about 3624.1392081431. The cubic root of 13134385 is about 235.9409085513.

The spelling of 13134385 in words is "thirteen million, one hundred thirty-four thousand, three hundred eighty-five".

Divisors: 1 5 11 47 55 235 517 2585 5081 25405 55891 238807 279455 1194035 2626877 13134385