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13135146 = 232239817
BaseRepresentation
bin110010000110…
…110100101010
3220201100000220
4302012310222
511330311041
61145310510
7216434613
oct62066452
926640026
1013135146
1174616a2
124495436
13294b89b
141a5cc0a
151246d66
hexc86d2a

13135146 has 16 divisors (see below), whose sum is σ = 26390784. Its totient is φ = 4358304.

The previous prime is 13135141. The next prime is 13135153. The reversal of 13135146 is 64153131.

It is not an unprimeable number, because it can be changed into a prime (13135141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3571 + ... + 6246.

It is an arithmetic number, because the mean of its divisors is an integer number (1649424).

Almost surely, 213135146 is an apocalyptic number.

13135146 is an abundant number, since it is smaller than the sum of its proper divisors (13255638).

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

13135146 is a wasteful number, since it uses less digits than its factorization.

13135146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10045.

The product of its digits is 1080, while the sum is 24.

The square root of 13135146 is about 3624.2441970706. The cubic root of 13135146 is about 235.9454652311.

Adding to 13135146 its reverse (64153131), we get a palindrome (77288277).

The spelling of 13135146 in words is "thirteen million, one hundred thirty-five thousand, one hundred forty-six".

Divisors: 1 2 3 6 223 446 669 1338 9817 19634 29451 58902 2189191 4378382 6567573 13135146