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13135154 = 289109677
BaseRepresentation
bin110010000110…
…110100110010
3220201100001012
4302012310302
511330311104
61145310522
7216434624
oct62066462
926640035
1013135154
1174616aa
124495442
13294b8a6
141a5cc14
151246d6e
hexc86d32

13135154 has 16 divisors (see below), whose sum is σ = 20136600. Its totient is φ = 6424704.

The previous prime is 13135153. The next prime is 13135163. The reversal of 13135154 is 45153131.

It can be written as a sum of positive squares in 4 ways, for example, as 12996025 + 139129 = 3605^2 + 373^2 .

It is not an unprimeable number, because it can be changed into a prime (13135153) 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, 19064 + ... + 19740.

Almost surely, 213135154 is an apocalyptic number.

13135154 is a deficient number, since it is larger than the sum of its proper divisors (7001446).

13135154 is a wasteful number, since it uses less digits than its factorization.

13135154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its digits is 900, while the sum is 23.

The square root of 13135154 is about 3624.2453007488. The cubic root of 13135154 is about 235.9455131322.

Adding to 13135154 its reverse (45153131), we get a palindrome (58288285).

The spelling of 13135154 in words is "thirteen million, one hundred thirty-five thousand, one hundred fifty-four".

Divisors: 1 2 89 109 178 218 677 1354 9701 19402 60253 73793 120506 147586 6567577 13135154